CVE-2023-5820 : faille élevée i13websolution thumbnail slider with… (CVSS 8.8)

The Thumbnail Slider With Lightbox plugin for WordPress is vulnerable to Cross-Site Request Forgery in version 1.0. This is due to missing or incorrect nonce validation on the addedit functionality. This makes it possible for unauthenticated attackers to upload arbitrary files via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Sévérité

Élevée (CVSS 8.8)

Vecteur CVSS

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation active

Non signalée par la CISA

Publication

27 oct. 2023

Dernière mise à jour

17 juin 2026

• i13websolution thumbnail slider with lightbox

• Fiche CVE-2023-5820 sur le NVD (NIST)
• plugins.trac.wordpress.org/changeset
• wordpress.org/plugins/wp-responsive-slider-with-lightbox
• wordfence.com/threat…