CVE-2026-116828

Medium

Description

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.

SeverityMedium

CVSS4.9

Exploit probability—

Product

Yeswiki

PublishedOct 27, 2026

First seenOct 27, 2026

Weakness typeCWE-89SQL injection

How to fix

Update

YesWiki yeswiki4.7.0 or later

Vendor advisories

github.com/YesWiki/yeswiki/security/advisories/GHSA-w7cp-76pj-w4m5

Affected products

Product	Affected versions	Fixed in
YesWiki yeswiki	v < 4.7.0	4.7.0

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