Stored XSS via attribute in convos
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.6epss 0.9%
probabilidad de explotación
0.9%top 41% de las CVE
explotación observada
noninguna fuente lo reporta
Convos is an open source multi-user chat that runs in a web browser. Characters starting with "https://" in the chat window create an <a> tag. Stored XSS vulnerability using onfocus and autofocus occurs because escaping exists for "<" or ">" but escaping for double quotes does not exist. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Productos afectados
convos-chat · convosReferencias
https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#Second-vulnerabilityhttps://github.com/convos-chat/convos/commit/86b2193de375005ba71d9dd53843562c6ac1847chttps://github.com/convos-chat/convos/security/advisories/GHSA-xmpj-xwm3-vww7https://www.huntr.dev/bounties/4532a0ac-4e7c-4fcf-9fe3-630e132325c0/