CVE-2025-27284

7.1 HIGH

📋 TL;DR

This vulnerability allows attackers to inject malicious scripts into web pages generated by the Flagged Content WordPress plugin. When users visit a specially crafted URL, the script executes in their browser, potentially stealing credentials or performing actions on their behalf. All WordPress sites running vulnerable versions of the Flagged Content plugin are affected.

💻 Affected Systems

Products:
  • WordPress Flagged Content Plugin
Versions: n/a through 1.0.2
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with the vulnerable plugin are affected regardless of configuration.

⚠️ 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, deface websites, or redirect visitors to malicious sites.

🟠

Likely Case

Attackers steal user session cookies or credentials, perform actions as authenticated users, or redirect users to phishing pages.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before reaching users' browsers.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.0.3 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/flagged-content/vulnerability/wordpress-flagged-content-plugin-1-0-2-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Flagged Content plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.0.3+ from WordPress.org and replace plugin files.

🔧 Temporary Workarounds

Disable Flagged Content Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate flagged-content

Implement WAF Rules

all

Add web application firewall rules to block XSS payloads targeting the vulnerable endpoint.

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Use browser security extensions that block reflected XSS attacks

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Flagged Content version 1.0.2 or earlier.

Check Version:

wp plugin get flagged-content --field=version

Verify Fix Applied:

Verify Flagged Content plugin version is 1.0.3 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual GET/POST requests containing script tags or JavaScript payloads to Flagged Content endpoints
  • Multiple failed XSS attempts from same IP

Network Indicators:

  • HTTP requests with suspicious parameters containing <script>, javascript:, or encoded payloads

SIEM Query:

source="wordpress.log" AND ("flagged-content" OR "flagged_content") AND ("<script>" OR "javascript:" OR "%3Cscript%3E")

🔗 References

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