CVE-2025-58845
📋 TL;DR
This CVE describes a Cross-Site Request Forgery (CSRF) vulnerability in the ChrisHurst Bulk Watermark WordPress plugin that can lead to Reflected Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions, potentially compromising WordPress sites. All WordPress installations using Bulk Watermark versions up to 1.6.10 are affected.
💻 Affected Systems
- ChrisHurst Bulk Watermark 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
An attacker could trick an administrator into executing arbitrary JavaScript, potentially leading to complete site takeover, data theft, or malware injection.
Likely Case
Attackers could modify plugin settings, inject malicious content, or perform unauthorized actions using the administrator's privileges.
If Mitigated
With proper CSRF protections and content security policies, the impact is limited to unsuccessful attack attempts.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated users, but the technical complexity is low once the user is tricked.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6.11 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Bulk Watermark' and click 'Update Now'. 4. Alternatively, download version 1.6.11+ from WordPress repository and manually replace files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate bulk-watermark
Implement CSRF Tokens
allAdd CSRF protection to WordPress forms if custom modifications are possible
🧯 If You Can't Patch
- Restrict plugin access to trusted administrators only
- Implement Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for Bulk Watermark version 1.6.10 or earlierCheck Version:
wp plugin get bulk-watermark --field=versionVerify Fix Applied:
Verify Bulk Watermark version is 1.6.11 or later in WordPress plugins list📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to bulk-watermark admin endpoints
- Multiple failed CSRF token validations
Network Indicators:
- Requests to bulk-watermark endpoints with suspicious referer headers
- Unexpected redirects to external domains
SIEM Query:
source="wordpress.log" AND "bulk-watermark" AND ("POST" OR "csrf")