CVE-2025-23641

6.5 MEDIUM

📋 TL;DR

This DOM-based Cross-Site Scripting (XSS) vulnerability in Powie's pLinks PagePeeker WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all versions up to 1.0.2 of the plugin. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.

💻 Affected Systems

Products:
  • Powie's pLinks PagePeeker WordPress Plugin
Versions: n/a through 1.0.2
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: WordPress sites with the vulnerable plugin installed and activated are affected regardless of theme or other plugins.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator session cookies, take over WordPress sites, install backdoors, deface websites, or steal sensitive user data.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies, redirect visitors to phishing sites, or display malicious content.

🟢

If Mitigated

With proper Content Security Policy (CSP) headers and input validation, the impact is limited to the specific vulnerable page/function.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

DOM-based XSS typically requires user interaction (clicking a malicious link) but can be exploited without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/plinks/vulnerability/wordpress-powie-s-plinks-pagepeeker-plugin-1-0-2-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find 'Powie's pLinks PagePeeker'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.0.3+ from WordPress.org and replace files via FTP/SFTP.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate powies-plinks-pagepeeker

Implement Content Security Policy

all

Add CSP headers to mitigate XSS impact

Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https:;"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https:;";

🧯 If You Can't Patch

  • Disable the pLinks PagePeeker plugin completely
  • Implement web application firewall (WAF) rules to block XSS payloads

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for 'Powie's pLinks PagePeeker' version 1.0.2 or lower

Check Version:

wp plugin list --name='powie\'s plinks pagepeeker' --field=version

Verify Fix Applied:

Verify plugin version is 1.0.3 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual JavaScript in URL parameters
  • Multiple requests with script tags in query strings
  • Unexpected iframe or script injections in page content

Network Indicators:

  • HTTP requests containing <script> tags in parameters
  • Unusual redirects to external domains from plugin pages

SIEM Query:

source="*access.log*" AND ("<script" OR "javascript:" OR "onload=" OR "onerror=") AND uri_path="*wp-content/plugins/plinks*"

🔗 References

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