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Books Gallery vulnerabilities
Books Gallery has 2 known vulnerabilities in this database. The most recent published record is dated 24 Apr 2026.
- Known vulnerabilities
- 2
- Active installs
- 2,000+
- Latest version
- 4.8.4
- Last updated
- 13 Sep 2026
- Most recent
- 24 Apr 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Broken access control CVE-2026-5347 | Medium 5.3 | Up to 4.8.0 | Fixed in a later version (latest 4.8.4) | 24 Apr 2026 |
| Cross-site request forgery (CSRF) CVE-2023-23705 | Medium 4.3 | Before 4.4.9 | Fixed in 4.4.9 | 23 May 2023 |
Read the published descriptions
- CVE-2026-5347, 24 Apr 2026
- The HM Books Gallery plugin for WordPress is vulnerable to Missing Authorization in versions up to and including 4.8.0. This is due to the absence of capability checks and nonce verification in the admin_init hook that handles the permalink settings update at line 205-209 of wp-books-gallery.php. The vulnerable code checks only for the presence of the 'permalink_structure' POST parameter before updating the 'wbg_cpt_slug' option, without verifying that the request comes from an authenticated administrator. This makes it possible for unauthenticated attackers to modify the custom post type slug for the books gallery, which changes the URL structure for all book entries and can break existing links and SEO rankings. CVE record
- CVE-2023-23705, 23 May 2023
- Cross-Site Request Forgery (CSRF) vulnerability in HM Plugin WordPress Books Gallery plugin <= 4.4.8 versions. CVE record
What to do if you run Books Gallery
If you run Books Gallery, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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