Read the docs

SQL injection in YesWiki despam.php via INTERVAL operand

Priority MEDIUM 64CWE-89Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-89.

Summary

YesWiki before 4.7.0 contains an SQL injection flaw in despam.php (CWE-89), where the from parameter is escaped but placed in an unquoted INTERVAL position. An authenticated administrator can inject SQL through the from POST parameter to perform blind reads of the database, including user password hashes.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

YesWiki before 4.7.0 contains a sql injection vulnerability in despam.php where the from parameter is escaped but placed in an unquoted INTERVAL position. Authenticated administrators can inject SQL via the from POST parameter to perform blind reads of the database including user password hashes.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0025 16th percentileScored 2026-11-07
Fix Fixed yeswiki (YesWiki): 4.7.0

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 4.7.04.7.0Patch availableCNA
  • yeswiki VendorYesWiki Affected before 4.7.0 Fixed in 4.7.0 Patch available CNA

CPE names Threatist (inferred) · 1

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

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

Remediation

Update YesWiki to version 4.7.0 or later, which fixes this issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

  • Fix · CNA yeswiki (YesWiki) Fixed in 4.7.0

Fixed in the same release

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

  • Release ·

    yeswiki 4.7.0

    9 records Highest priority Priority HIGH 3 HIGH, 4 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2026-80984 SQL query disclosure in YesWiki via showreq parameterPriority HIGH 70
    • TI-2026-80991 Server-side request forgery in YesWiki Bazar CSV importPriority HIGH 69
    • TI-2026-80989 HTTP Signature replay in YesWiki ActivityPub inbox allows repeated actionsPriority HIGH 69

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-116828
  2. 2026-10-27 Alias added: GHSA-hxwq-9qc3-4972
  3. 2026-10-27 Priority changed: MEDIUM → LOW
  4. 2026-10-31 CISA SSVC decision points changed
  5. 2026-10-31 Priority changed: LOW → MEDIUM

References

  • 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