Stored Cross-Site Scripting Vulnerability in GamiPress Plugin for WordPress
CVE-2026-15730

6.4MEDIUM

What is CVE-2026-15730?

The GamiPress plugin for WordPress, which is used to manage gamification features like points and badges, has a vulnerability that allows authenticated attackers with contributor-level access and above to exploit stored cross-site scripting (XSS). This occurs through the 'heading_size' shortcode attribute due to inadequate input sanitization and output escaping. When a page containing the manipulated shortcode is accessed by a user, the injected malicious scripts can execute, compromising the security of the website. Notably, the wp_kses_post filter fails to neutralize the dangerous payload at the time of saving, allowing harmful HTML to be generated at runtime when the shortcode handler processes it.

Affected Version(s)

GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress 0 <= 7.9.9.1

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wordfence PRISM
.