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Vulnerability record · CVE-2026-5097 · published 28 August 2026

CVE-2026-5097: SQL injection vulnerability

The wpForo Forum plugin for WordPress is vulnerable to SQL Injection via the 'referer' parameter in all versions up to, and including, 2.4.17. This is due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

7.5 CVSS 3.1 High EPSS 0.55% · top 56.0% CWE-89 · SQL injection Deferred
7.5CVSS 3.1 base score
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
7References
28 Aug 2026Last modified by NVD

Description

The wpForo Forum plugin for WordPress is vulnerable to SQL Injection via the 'referer' parameter in all versions up to, and including, 2.4.17. This is due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/includes/functions.php#L3063
https://plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/includes/functions.php#L828
https://plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/modules/revisions/Revisions.php#L169
https://plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/modules/revisions/classes/Actions.php#L105
https://plugins.trac.wordpress.org/browser/wpforo/tags/2.4.16/modules/revisions/classes/Actions.php#L30
https://plugins.trac.wordpress.org/changeset?old=3483044&old_path=%2Fwpforo%2Ftags%2F2.4.17&new=3500199&new_path=%2Fwpfo
https://www.wordfence.com/threat-intel/vulnerabilities/id/bf0eab48-ef8b-4578-8a9a-c48e09cb29f7?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-5097), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.