CVE-2026-116828

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.

Score

CVSS 4.0 6.9 Medium

Status

Deferred - disclosure@vulncheck.com

Published

2026-10-26

Last modified

2026-10-27

Weaknesses

CWE-89

Affected products

• Yeswiki (Yeswiki)

References

• https://github.com/YesWiki/yeswiki/security/advisories/GHSA-w7cp-76pj-w4m5
• https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-sql-injection-via-despam-php-interval-operand