Description
YesWiki before 4.6.7 contains a missing authorization vulnerability in the attachment download handler that allows unauthenticated attackers to bypass page read ACLs. Attackers can request the download handler with a known page tag and file parameter to retrieve confidential attachments from read-restricted pages.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| YesWiki | yeswiki | < 4.6.7 | 4.6.7 |
References
- GitHub Security Advisory (GHSA-7cj2-9pgf-vcw2) vendor-advisory
- VulnCheck Advisory: YesWiki before 4.6.7 Missing Authorization via Attachment Download Handler third-party-advisory