TI-2026-67552 Aliases CVE-2026-105224 GHSA-4jc3-v5mf-cppg

YesWiki before 4.6.7 Stored XSS via Bazar valeur Action

MEDIUM 56CWE-79Published 2026-10-04 · Updated 2026-10-05

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

YesWiki before 4.6.7 contains a cross-site scripting vulnerability in the Bazar valeur action that allows page editors to inject script by rendering unescaped HTML fetched from a remote URL. Attackers can point tools/bazar/actions/valeur.php at a controlled server returning BAZ_fiche_titre markup with an img onerror handler, executing script in every viewer's browser.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00203 10th percentileScored 2026-11-07

Fix Fixed yeswiki (YesWiki): 4.6.7

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

Vendor	Product	Affected versions	Fixed in	Status	Source
YesWiki	yeswiki	before 4.6.7	4.6.7	Patch available	CNA

yeswiki VendorYesWiki Affected before 4.6.7 Fixed in 4.6.7 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:yeswiki:yeswiki::::::::	—	—	YesWiki

cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:* Versions — — ·YesWiki

Remediation

Fix · CNA yeswiki (YesWiki) Fixed in 4.6.7

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2026-10-02
yeswiki — GitHub Security Advisory (GHSA-6rvf-7pwm-6j44)
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2026-66112 YesWiki before 4.6.7 SSRF via Bazar valeur Action url ParameterPriority MEDIUM 57
Show all 2 records → Advisory →

Timeline

2026-10-04 Threatist record created from CVE-2026-105224
2026-10-04 Alias added: GHSA-4jc3-v5mf-cppg
2026-10-05 CISA SSVC decision points changed
2026-10-05 Priority changed: LOW → MEDIUM

References

Patch 1

Patch Commit

Advisory 1

GitHub Security Advisory (GHSA-6rvf-7pwm-6j44)

TI-2026-37893 YesWiki has Unsafe eval() in Formula Calculator - Remote Code Execution (RCE) & Denial of Service (DoS) CVSS 3.1CRITICAL 9.8
TI-2026-34305 YesWiki: Unauthenticated SQL Injection CVSS 3.1CRITICAL 9.8
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-2026-37882 YesWiki: Unauthenticated arbitrary page deletion via `{{erasespamedcomments}}` action CVSS 3.1CRITICAL 9.1
TI-2026-80227 SQL injection in YesWiki Bazar entry creation via date_maj_fiche CVSS 4.0HIGH 8.8

See all 85 →

Sources

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