CVE-2025-46349

YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

CVSS 7.6 HIGHEPSS 0.6%CWE-79

Vexday Risk Score

36Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 7.6EPSS 0.6%KEV nãoPoC —Nuclei simMetasploit —Patch —

Lifecycle

29 Apr 2025Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. This issue has been patched in version 4.5.4.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L

Affected products

YesWiki · yeswiki

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References

https://github.com/YesWiki/yeswiki/pull/1264/commits/6edde40eb7eeb5d60619ac4d1e0a0422d92e9524 https://github.com/YesWiki/yeswiki/security/advisories/GHSA-2f8p-qqx2-gwr2