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CVE-2026-79663mediumCWE-79

Ech0 before 4.7.3 Stored XSS via RSS feed tag names

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 4.8epss 0.1%
probabilidad de explotación
0.1%top 96% de las CVE
explotación observada
noninguna fuente lo reporta
Ech0 before 4.7.3 contains a stored cross-site scripting vulnerability in the public RSS feed where tag names and markdown content are rendered without HTML escaping. Attackers with admin privileges can inject malicious tag names or raw HTML in echo content that executes as JavaScript in RSS readers that render HTML-type summaries, affecting anonymous subscribers and other users.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Productos afectados
lin-snow · Ech0