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TI-2025-29090 Aliases CVE-2025-46349GHSA-2f8p-qqx2-gwr2

YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

Priority HIGH 66CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · High · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00643 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed yeswiki (YesWiki): 4.5.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
YesWikiyeswikibefore 4.5.44.5.4Patch availableCNA
—yeswiki/yeswiki (Packagist)up to 4.5.3—No fix listedGHSA-2f8p-qqx2-gwr2
  • yeswiki VendorYesWiki Affected before 4.5.4 Fixed in 4.5.4 Patch available CNA
  • yeswiki/yeswiki (Packagist) Vendor— Affected up to 4.5.3 Fixed in — No fix listed GHSA-2f8p-qqx2-gwr2

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*before 4.5.4VulnerableYesWiki
  • cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:* Versions before 4.5.4 Vulnerable ·YesWiki

Remediation

  • Fix · CNA yeswiki (YesWiki) Fixed in 4.5.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-46349
  2. 2026-10-03 Alias added: GHSA-2f8p-qqx2-gwr2
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Exploit 1

Patch 1

Advisory 1

Other 3

  • TI-2025-29089 YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download CVSS 3.1CRITICAL 10.0
  • TI-2024-34399 Use of a Broken or Risky Cryptographic Algorithm in YesWiki CVSS 3.1CRITICAL 9.9
  • TI-2025-22392 Path Traversal allowing arbitrary read of files in Yeswiki CVSS 3.1HIGH 8.6
  • TI-2025-17784 YesWiki Vulnerable to Unauthenticated DOM Based XSS CVSS 3.1HIGH 7.6
  • TI-2025-29087 YesWiki Vulnerable to Stored XSS in Comments CVSS 4.0MEDIUM 6.3
  • TI-2025-17786 YesWiki vulnerable to authenticated arbitrary file deletion CVSS 3.1HIGH 7.1
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences