Vulnerability in Yeswiki
CVE-2025-46347
YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki vulnerable to remote code execution. An arbitrary file write can be used to write a file with a PHP extension, which then can be browsed to in order to execute arbitrary code on the server, resulting in a full compromise of the server. This could potentially be performed unwittingly by a user. This issue has been patched in version 4.5.4.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.001
Affected products
- Yeswiki — versions < 4.5.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/YesWiki/yeswiki/security/advisories/GHSA-88xg-v53p-fpvf (Exploit, Vendor Advisory)
- github.com/YesWiki/yeswiki/commit/8fe5275a78dc7e0f9c242baa3cbac6b5ac1cc066 (Patch)
Frequently asked questions
- What is CVE-2025-46347?
- CVE-2025-46347 is a critical-severity vulnerability in Yeswiki, classified under Improper Encoding or Escaping of Output. CVSS score: 9.8/10. Published 2025-04-29.
- How severe is CVE-2025-46347?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-46347 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.