Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| convos-chat / convos | affected >= 6.48, < 6.52 |
CWE
CWE-79
References
- https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability
- https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df
- https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/
- https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695
ADP enrichment
No English description supplied.
- https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability
- https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df
- https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/
- https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695
No English description supplied.
No references supplied.