CVE-2026-42451

6.3 Moyenne

Publiée le 09/05/2026 à 01:16 · Modifiée le 24/07/2026 à 23:10 · Analyse NVD reportée · Source : security-advisories@github.com

Description

Grimmory is a self-hosted digital library. Prior to version 2.3.1, a stored cross-site scripting (XSS) vulnerability in Grimmory's browser-based EPUB reader allows an attacker to embed arbitrary JavaScript in a crafted EPUB file. When a victim opens the book, the script executes in their browser with full access to the Grimmory application's session context. This can enable session token theft and account takeover, including administrative access if an administrator opens the affected book. This issue has been patched in version 2.3.1.

Traduire en français

Produits concernés

grimmory-tools grimmory

Scores CVSS

Version	Score	Source	Vecteur
3.1	6.3 Moyenne	security-advisories@github.com	`CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L`

Faiblesses (CWE)

CWE-79
CWE-80

Références

http://github.com/grimmory-tools/grimmory/releases/tag/v2.3.1
https://github.com/grimmory-tools/grimmory/security/advisories/GHSA-frv6-5wq5-9p24

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories