# CVE-2026-81153: Robo Gallery stored XSS via image settings

Source: https://junglewise.ai/threats/cve-2026-81153-the-robo-gallery-wordpress-plugin-before-5-2-6-does-not-sanitise  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-11. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-81153 · Severity: medium · CVSS 6.8 · Published 2026-10-11

Robo Gallery is a WordPress plugin that manages image galleries on websites. An authenticated attacker with author-level permissions can inject malicious scripts into image settings that execute in the browsers of any visitor viewing the gallery, including administrators. This allows account takeover, data theft, or malware distribution to site visitors.

Vendors: [WPScan](https://junglewise.ai/threats/vendors/wpscan).

## Quick answers

**Is CVE-2026-81153 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-81153 being exploited in the wild.

**How severe is CVE-2026-81153?** Medium severity, with a CVSS score of 6.8, published 11 October 2026.

**Which products and versions are affected?** WPScan Robo Gallery before 5.2.6.

**Is there a fix for CVE-2026-81153?** Yes: fixed in 5.2.6. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-81153 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-81153?** Check whether you run WPScan Robo Gallery at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 5.2.6

## Technical details

The plugin fails to sanitize and escape image overlay effect metadata before rendering it on gallery pages, enabling stored XSS. An attacker with Author role or above can inject malicious JavaScript that persists in the database and executes in visitors' browsers. The vulnerability affects all installations, including WordPress multisite configurations where unfiltered HTML is restricted.

## Affected products

- WPScan Robo Gallery before 5.2.6

## Timeline

- 2026-10-09: disclosed

## References

- [https://wpscan.com/vulnerability/3bf12831-e386-4a69-857b-3dda05ee0bce/](https://wpscan.com/vulnerability/3bf12831-e386-4a69-857b-3dda05ee0bce/)