Security incident · CVE-2025-46349
YesWiki is a wiki system written in PHP.
Published Apr 29, 2025 · catalog updated Apr 29, 2025 · YesWiki
Check if you run it
No confirmed exploitation is on record for CVE-2025-46349. EPSS is 0.63%. Act only if a listed version of YesWiki is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.6
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.63%
- Remediation
- Version ranges on file
- Affected products
- vendor YesWiki yeswiki < 4.5.4
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor YesWiki yeswiki < 4.5.4< 4.5.4
How to fix CVE-2025-46349
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-46349. EPSS is 0.63%. Act only if a listed version of YesWiki is installed.
Which versions are affected?
Compare what you have installed with YesWiki yeswiki < 4.5.4 < 4.5.4. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.63%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Apr 29, 2025 · EUVD
Detected
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.
Apr 29, 2025 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-46349
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-46349
30-day exploitation probability 0.6%
first.org - EUVDVulnerability recordEUVD-2025-12615
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 i
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.