TI-2026-37885 Aliases CVE-2026-52770 GHSA-qg78-vmvc-fhjw

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in yeswiki/yeswiki

HIGH 72CWE-89Published 2026-09-04 · Updated 2026-09-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: SQL injection
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-89.

Summary

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki’s public Bazar entry-listing APIs are vulnerable to unauthenticated SQL injection in numeric query / queries filters. For Bazar fields whose value structure is numeric, YesWiki escapes the attacker-controlled filter value but inserts it into SQL without quotes or numeric validation. An unauthenticated attacker can inject boolean SQL expressions and infer database contents from whether entries are returned. This issue has been patched in version 4.6.6.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00466 40th percentileScored 2026-11-07

Fix Fixed yeswiki (YesWiki): 4.6.6yeswiki/yeswiki (Packagist): 4.6.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
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 4.6.6	4.6.6	Patch available	CNA
—	yeswiki/yeswiki (Packagist)	before 4.6.6	4.6.6	Patch available	GHSA-qg78-vmvc-fhjw

yeswiki VendorYesWiki Affected before 4.6.6 Fixed in 4.6.6 Patch available CNA
yeswiki/yeswiki (Packagist) Vendor— Affected before 4.6.6 Fixed in 4.6.6 Patch available GHSA-qg78-vmvc-fhjw

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 4.6.6
Fix · GHSA-qg78-vmvc-fhjw yeswiki/yeswiki (Packagist) Fixed in 4.6.6 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-52770
2026-10-03 Alias added: GHSA-qg78-vmvc-fhjw

References

Other 4

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