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CVE-2026-15730

6.4 · MEDIUM

The GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'heading_size' Shortcode Attrib…

Published Jul 28, 2026CWE-79EPSS 0.38%

Overview

CVE-2026-15730 is a medium-severity vulnerability. It was published on July 28, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'heading_size' Shortcode Attribute in all versions up to, and including, 7.9.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The wp_kses_post filter applied at post save does not neutralize this payload because only the inert shortcode text is stored in post_content; the dangerous HTML is synthesized at render time by the shortcode handler, entirely bypassing save-time sanitization.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/filters.php#L1885Refplugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/filters.php#L263Refplugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/filters.php#L390Refplugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/filters.php#L542Refplugins.trac.wordpress.org/browser/gamipress/tags/7.9.8/includes/shortcodes/gamipress_points_types.php#L212Refplugins.trac.wordpress.org/changeset?reponame=&old=3619577%40gamipress&new=3619577%40gamipressRefwww.wordfence.com/threat-intel/vulnerabilities/id/dedd24e6-ac0c-48cd-a76a-8fb61d2c3c0f?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-15730?

CVE-2026-15730 is a medium-severity vulnerability. It was published on July 28, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2026-15730?

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-15730?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-15730?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-15730 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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