CVE-2025-24621
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts into web pages generated by the Arconix Shortcodes WordPress plugin. When users visit pages containing these scripts, attackers can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using vulnerable versions of the Arconix Shortcodes plugin are affected.
💻 Affected Systems
- Arconix Shortcodes 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 steal administrator session cookies, gain full control of the WordPress site, install backdoors, deface the site, or steal sensitive user data.
Likely Case
Attackers steal user session cookies to hijack accounts, redirect users to malicious sites, or display fraudulent content.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before reaching users, preventing exploitation.
🎯 Exploit Status
Reflected XSS typically requires user interaction (clicking a malicious link) but is straightforward to exploit once the vulnerability is understood.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.16 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Arconix Shortcodes and click 'Update Now'. 4. Alternatively, download version 2.1.16+ from WordPress.org and manually replace the plugin files.
🔧 Temporary Workarounds
Disable Arconix Shortcodes Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate arconix-shortcodes
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting Arconix shortcode parameters.
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution sources.
- Deploy a web application firewall (WAF) with XSS protection rules.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for Arconix Shortcodes version. If version is 2.1.15 or lower, the site is vulnerable.Check Version:
wp plugin get arconix-shortcodes --field=versionVerify Fix Applied:
After updating, verify the plugin version shows 2.1.16 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests containing script tags or JavaScript in URL parameters
- Multiple failed attempts to access Arconix shortcode endpoints with suspicious payloads
Network Indicators:
- HTTP requests with encoded script payloads in query strings targeting Arconix shortcodes
SIEM Query:
source="web_server" AND (url="*arconix*" AND (url="*<script*" OR url="*javascript:*" OR url="*onerror=*"))