CVE-2026-72730highCWE-79

Discourse: Stored XSS chat-transcript username unescaped in Rich Text Editor

21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 8.7epss 0.2%

probabilidade de exploração

0.2%top 85% das CVEs

exploração observada

nãonenhuma fonte reporta

Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, the Rich Text Editor rendered a chat-transcript username as HTML, allowing stored cross-site scripting. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Produtos afetados

discourse · discourse

Referências

https://github.com/discourse/discourse/commit/32920affe4ad97b461ca2ae2f664c5fefc374baf https://github.com/discourse/discourse/commit/3fb1e8ead0d4f48d2cf55c8110825c7e8a6a45f5 https://github.com/discourse/discourse/commit/7eb35d076ab9b6a612e86182336ce9787ce402ea https://github.com/discourse/discourse/commit/9633b8ecaf5a99f0407f5261b9bd1a05f7dac529 https://github.com/discourse/discourse/security/advisories/GHSA-wg48-qxjc-f459