SQL Injection Vulnerability in YesWiki by YesWiki
CVE-2026-116828

6.9MEDIUM

Key Information:

Vendor

Yeswiki

Status
Yeswiki
Vendor
CVE Published:
26 October 2026

What is CVE-2026-116828?

YesWiki prior to version 4.7.0 is vulnerable to an SQL injection issue located in despam.php. The vulnerability arises when the 'from' parameter is improperly handled in an unquoted INTERVAL context. This flaw allows authenticated administrators to manipulate SQL queries through the 'from' POST parameter, enabling potential unauthorized access to sensitive database information, including user password hashes. It is essential for users of affected versions to apply the necessary updates to secure their systems.

Affected Version(s)

yeswiki 0 < 4.7.0

yeswiki 4.7.0

References

https://github.com/YesWiki/yeswiki/security/advisories/GH...
vendor-advisory
https://www.vulncheck.com/advisories/yeswiki-before-4.7.0...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.