Cross-site Scripting in Gogs
### Impact The malicious user is able to upload a crafted SVG file as the issue attachment to archive XSS. All installations [allow uploading SVG (`text/xml`) files as issue attachments (non-default)](https://github.com/gogs/gogs/blob/e51e01683408e10b3dcd2ace65e259ca7f0fd61b/conf/app.ini#L283-L284) are affected. ### Patches Correctly setting the Content Security Policy for the serving endpoint. Users should upgrade to 0.12.7 or the latest 0.13.0+dev. ### Workarounds [Disable uploading SVG files (`text/xml`) as issue attachments](https://github.com/gogs/gogs/blob/e51e01683408e10b3dcd2ace65e259ca7f0fd61b/conf/app.ini#L283-L284). ### References https://huntr.dev/bounties/34a12146-3a5d-4efc-a0f8-7a3ae04b198d/ ### For more information If you have any questions or comments about this advisory, please post on https://github.com/gogs/gogs/issues/6919.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2022-1464US | medium5.4 | — | ||
Stored xss bug in GitHub repository gogs/gogs prior to 0.12.7. As the repo is public , any user can view the report and when open the attachment then xss is executed. This bug allo… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/gogs/gogsPACKAGE
- https://github.com/gogs/gogs/commit/bc77440b301ac8780698be91dff1ac33b7cee850WEB
- https://github.com/gogs/gogs/security/advisories/GHSA-ff28-f46g-r9g8WEB
- https://huntr.dev/bounties/34a12146-3a5d-4efc-a0f8-7a3ae04b198dWEB
- https://nvd.nist.gov/vuln/detail/CVE-2022-1464ADVISORY
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