CVE-2026-74921
Document Gallery 4.0 - 5.1.1 - Contributor+ Stored XSS via Gallery Shortcode Attributes
- State
- Published
- Severity
- 6.8 Medium
- Published
- Oct 19, 2026
- Updated
- Oct 19, 2026
- Reserved
- Aug 17, 2026
Description
The Document Gallery WordPress plugin through 5.1.1 does not sanitise or escape several gallery shortcode attributes before embedding them in a single-quoted HTML attribute in the rendered gallery markup, allowing users with the Contributor role and above to inject arbitrary event handlers that execute when a higher privileged user views the content.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H | WPScan |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Document GalleryUnknown |
|
References
- https://wpscan.com/vulnerability/b0b97661-c671-420c-8fca-22666862b379/exploitvdb-entrytechnical-description
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