CVE-2026-46637

Twig: HTML-output filters in twig/* extras incorrectly declared `is_safe => ['all']`

MEDIUM 5.1

En bref

Source: NVD
EPSS: EPSS 0.30 % · centile 23 (2026-10-28)
État: PUBLISHED
Publiée: 2026-07-14 21:25 UTC
Mise à jour: 2026-07-16 15:05 UTC
Attribuée par: GitHub_M
Statut NVD: Analyzed

Description

Twig is a template language for PHP. Prior to 3.26.0, several filters in twig/markdown-extra and twig/cssinliner-extra are registered with is_safe => [all], causing Twig to treat plain text or HTML output as safe in HTML, JavaScript, CSS, URL, and other contexts where the output is not properly escaped. This issue is fixed in version 3.26.0.

Faiblesses (CWE)

CWE-116 — Encodage ou échappement incorrect de la sortie
CWE-79 — Injection de code indirecte (XSS)

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	MEDIUM 5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	GitHub_M
CVSS 4.0	MEDIUM 5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD · security-advisories@github.com (Secondary)
CVSS 3.1	MEDIUM 5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	NVD · nvd@nist.gov (Primary)

Avis

GHSA-jv8m-2544-3pg3 — Twig: HTML-output filters in twig/* extras incorrectly declared `is_safe => ['all']`

Références européennes

ENISA EUVD · EUVD-2026-44509
GCVE · GCVE-0-2026-46637

Configurations affectées (CPE NVD)

cpe:2.3:a:symfony:twig:*:*:*:*:*:*:*:* < 3.26.0

Produits affectés

Produit	Versions
twigphp · Twig	affected < 3.26.0
twig · cssinliner-extra	affected < 3.26.0
twig · markdown-extra	affected < 3.26.0

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD