CVE-2026-15420 - Nexter Blocks <= 5.0.0 - Authenticated (Subscriber+) Path Traversal to Arbitrary CSS/JS File Deletion via 'plus_name' Parameter

CVE-2026-15420 - Nexter Blocks <= 5.0.0 - Authenticated (Subscriber+) Path Traversal to Arbitrary CSS/JS File Deletion via 'plus_name' Parameter

https://cvefeed.io/rssfeed/latest.atom / Fri, 07/24/2026 - 07:07
CVE ID :CVE-2026-15420
Published : July 24, 2026, 4:16 a.m. | 34 minutes ago
Description :The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.0.0 via the 'plus_name' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary JS/CSS files on the server, which can lead to denial of service or destruction of critical plugin and theme assets.
Severity: 4.3 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...

About

Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.