High severity7.6NVD Advisory· Published Jan 4, 2022· Updated Jun 17, 2026
CVE-2022-21650
CVE-2022-21650
Description
Convos 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.
AI Insight
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Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: >= 6.48, < 6.52
Patches
Vulnerability mechanics
References
4- github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5dfnvdPatchThird Party Advisory
- github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695nvdPatchThird Party Advisory
- www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/nvdExploitIssue TrackingPatchThird Party Advisory
- blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/nvdBroken Link
News mentions
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