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CVE-2026-59830

5.4 Moyenne

Publiée le 22/09/2026 à 00:16 · Modifiée le 23/09/2026 à 19:17 · Analyse NVD reportée · Source : security-advisories@github.com

Description

Discourse is an open-source discussion platform. Prior to 2026.7.0, the post action component failed to escape user-controlled display names before interpolating them into an HTML string passed to trustHTML. A user who could choose a crafted display name could persist markup in post action descriptions. Viewing the affected user activity streams could execute attacker-controlled script in another user's browser. This issue is fixed in version 2026.7.0.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 5.4 Moyenne security-advisories@github.com CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Faiblesses (CWE)

Références

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