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CVE-2022-21650 Details

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NameCVE-2022-21650
StatusCandidate
DescriptionConvos is an open source multi-user chat that runs in a web browser. You can't use SVG extension in Convos' chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible.
ReferencesCONFIRM: https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695
URL: https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695
MISC: https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability
URL: https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability
MISC: https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df
URL: https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df
MISC: https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/
URL: https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/
PhaseAssigned (20211116)
VotesNone (candidate not yet proposed)
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