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CVE-2026-72720

6.4 Moyenne

Publiée le 10/08/2026 à 18:19 · Modifiée le 08/09/2026 à 22:54 · Analyse NVD reportée · Source : security-advisories@github.com

Description

Discourse is an open-source discussion platform. Prior to 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1, Discourse has HTML injection in PrettyText.format_for_email because cooked attribute values are reparsed as markup. Crafted Vimeo iframe sources, secure-upload URLs or dimensions, and hashtag data-slug values can cause decoded attribute text to be reinterpreted as HTML. The vulnerable conversion also fails to strictly validate the Vimeo iframe host and path, allowing non-Vimeo allowlisted iframes to be converted. This issue is fixed in versions 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 6.4 Moyenne security-advisories@github.com CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Faiblesses (CWE)

Références

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