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CVE-2026-5347

MEDIUM

5.3

Description

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.

Details CVE

Score CVSS v3.15.3

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/24/2026

Derniere modification4/24/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-862

References

https://plugins.trac.wordpress.org/browser/wp-books-gallery/tags/4.7.8/wp-books-gallery.php#L206(security@wordfence.com)

https://plugins.trac.wordpress.org/browser/wp-books-gallery/tags/4.7.8/wp-books-gallery.php#L207(security@wordfence.com)

https://plugins.trac.wordpress.org/browser/wp-books-gallery/tags/4.8.1/wp-books-gallery.php#L207(security@wordfence.com)

https://plugins.trac.wordpress.org/browser/wp-books-gallery/trunk/wp-books-gallery.php#L206(security@wordfence.com)

https://plugins.trac.wordpress.org/browser/wp-books-gallery/trunk/wp-books-gallery.php#L207(security@wordfence.com)

https://www.wordfence.com/threat-intel/vulnerabilities/id/12bf1cd8-cd55-4771-b2bb-597797b1b949?source=cve(security@wordfence.com)

Correlations IOC

Aucune correlation enregistree

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