CVE-2026-116828: SQL Injection (CVSS 4.9)

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.

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CVSS v3.1 Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-89 SQL Injection

References

Other 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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2026-116828? +

CVE-2026-116828 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-116828? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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