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TI-2025-17784 Aliases CVE-2025-24017GHSA-wphc-5f2j-jhvg

YesWiki Vulnerable to Unauthenticated DOM Based XSS

Priority HIGH 68CWE-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. Versions up to and including 4.4.5 are vulnerable to any end-user crafting a DOM based XSS on all of YesWiki's pages which is triggered when a user clicks on a malicious link. The vulnerability makes use of the search by tag feature. When a tag doesn't exist, the tag is reflected on the page and isn't properly sanitized on the server side which allows a malicious user to generate a link that will trigger an XSS on the client's side when clicked. This vulnerability allows any user to generate a malicious link that will trigger an account takeover when clicked, therefore allowing a user to steal other accounts, modify pages, comments, permissions, extract user data (emails), thus impacting the integrity, availability and confidentiality of a YesWiki instance. Version 4.5.0 contains a patch for the issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00359 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed yeswiki (YesWiki): 4.5.0yeswiki/yeswiki (Packagist): 4.5.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

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 4.5.04.5.0Patch availableCNA
—yeswiki/yeswiki (Packagist)before 4.5.04.5.0Patch availableGHSA-wphc-5f2j-jhvg
  • yeswiki VendorYesWiki Affected before 4.5.0 Fixed in 4.5.0 Patch available CNA
  • yeswiki/yeswiki (Packagist) Vendor— Affected before 4.5.0 Fixed in 4.5.0 Patch available GHSA-wphc-5f2j-jhvg

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*before 4.5.0VulnerableYesWiki
  • cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:* Versions before 4.5.0 Vulnerable ·YesWiki

Remediation

  • Fix · CNA yeswiki (YesWiki) Fixed in 4.5.0
  • Fix · GHSA-wphc-5f2j-jhvg yeswiki/yeswiki (Packagist) Fixed in 4.5.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-24017
  2. 2026-10-03 Alias added: GHSA-wphc-5f2j-jhvg

References

Exploit 1

Patch 1

Advisory 1

Other 1

  • 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-2025-29087 YesWiki Vulnerable to Stored XSS in Comments CVSS 4.0MEDIUM 6.3
  • TI-2025-29090 YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting CVSS 3.1HIGH 7.6
  • 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