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Vulnerability · Published Jul 28, 2026 · Assigned by Wordfence

CVE-2026-15730GamiPress <= 7.9.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'heading_size' Shortcode Attribute

Medium 6.4

In plain English

A medium-severity cross-site scripting in GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress from rubengc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.4%top 68.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
rubengc GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress 0 – through 7.9.9.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References