CVE-2025-22807
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Responsive Flickr Slideshow WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the compromised slideshow, the scripts execute in their browsers. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Responsive Flickr Slideshow WordPress plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, take over WordPress admin accounts, deface websites, or redirect users to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. Attackers need to inject malicious payloads into the slideshow content.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.6.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Responsive Flickr Slideshow'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 2.6.1+ from WordPress.org and replace the plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate responsive-flickr-slideshow
Content Security Policy
allImplement CSP headers to restrict script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Remove the plugin entirely from your WordPress installation
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Responsive Flickr Slideshow' version 2.6.0 or earlier
Check Version:
wp plugin get responsive-flickr-slideshow --field=version
Verify Fix Applied:
Verify plugin version is 2.6.1 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- Suspicious JavaScript in Flickr-related content
Network Indicators:
- Malicious script tags in HTTP responses containing 'flickr' or 'slideshow'
SIEM Query:
source="wordpress.log" AND ("responsive-flickr-slideshow" OR "flickr-slideshow") AND ("<script>" OR "javascript:")