CVE-2025-46348: YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download

April 29, 2025 (updated April 30, 2025)

The request to commence a site backup can be performed without authentication. Then these backups can also be downloaded without authentication.

The archives are created with a predictable filename, so a malicious user could create an archive and then download the archive without being authenticated.

References

github.com/YesWiki/yeswiki
github.com/YesWiki/yeswiki/commit/0d4efc880a727599fa4f6d7a64cc967afe475530
github.com/YesWiki/yeswiki/security/advisories/GHSA-wc9g-6j9w-hr95
github.com/advisories/GHSA-wc9g-6j9w-hr95
nvd.nist.gov/vuln/detail/CVE-2025-46348

Code Behaviors & Features

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