CVE-2025-62743

6.5 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the MyBookTable Bookstore WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the injected scripts, the attacker can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using MyBookTable Bookstore plugin versions up to 3.5.5 are affected.

💻 Affected Systems

Products:
  • MyBookTable Bookstore WordPress Plugin
Versions: n/a through 3.5.5
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with the vulnerable plugin version 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, gain full administrative access to the WordPress site, install backdoors, deface the site, or pivot to internal networks.

🟠

Likely Case

Attackers inject malicious JavaScript that steals user session cookies or redirects visitors to phishing sites, potentially compromising user accounts and data.

🟢

If Mitigated

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

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Stored XSS vulnerabilities are commonly exploited once discovered. Attack complexity is low as this is a classic XSS vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.5.6 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/mybooktable/vulnerability/wordpress-mybooktable-bookstore-plugin-3-5-5-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 MyBookTable Bookstore. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 3.5.6+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the vulnerable plugin until patched

wp plugin deactivate mybooktable

Input Sanitization Filter

all

Add custom filter to sanitize plugin inputs

Add to theme's functions.php: add_filter('mybooktable_input', 'esc_html');

🧯 If You Can't Patch

  • Implement a Web Application Firewall (WAF) with XSS protection rules
  • Restrict plugin access to trusted users only using role-based access controls

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > MyBookTable Bookstore version. If version is 3.5.5 or lower, you are vulnerable.

Check Version:

wp plugin get mybooktable --field=version

Verify Fix Applied:

After updating, verify plugin version shows 3.5.6 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to MyBookTable endpoints with script tags
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • Outbound connections to suspicious domains after visiting book pages
  • Unexpected JavaScript execution in browser developer tools

SIEM Query:

source="apache_access" OR source="nginx_access" | search "mybooktable" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")

🔗 References

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