CVE-2025-57951

5.9 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the SiteNarrator Text-to-Speech Widget WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious content, the scripts execute in their browsers, potentially stealing session cookies or performing actions on their behalf. All WordPress sites using versions 1.9 and earlier of this plugin are affected.

💻 Affected Systems

Products:
  • SiteNarrator Text-to-Speech Widget WordPress Plugin
Versions: n/a through 1.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable plugin versions 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 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 rendered harmless as plain text.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires the ability to inject malicious content into the widget, which typically requires some level of access to the WordPress admin interface or vulnerable input fields.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 1.9

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/sitespeaker-widget/vulnerability/wordpress-sitenarrator-text-to-speech-widget-plugin-1-9-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 'SiteNarrator Text-to-Speech Widget'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete the plugin.

🔧 Temporary Workarounds

Disable Plugin

WordPress

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate sitenarrator-text-to-speech-widget

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Use web application firewall (WAF) rules to block XSS payloads

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for SiteNarrator Text-to-Speech Widget version 1.9 or earlier

Check Version:

wp plugin get sitenarrator-text-to-speech-widget --field=version

Verify Fix Applied:

Verify plugin version is higher than 1.9 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to WordPress admin-ajax.php with script tags in parameters
  • Multiple failed login attempts followed by plugin modification

Network Indicators:

  • HTTP requests containing JavaScript payloads in POST data to WordPress endpoints

SIEM Query:

source="wordpress.log" AND ("sitenarrator" OR "SiteNarrator") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")

🔗 References

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