Vulnerability · Published Oct 19, 2026 · Assigned by WPScan
CVE-2026-74921Document Gallery 4.0 - 5.1.1 - Contributor+ Stored XSS via Gallery Shortcode Attributes
Medium 6.8
In plain English
A medium-severity cross-site scripting in Document Gallery from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Document Gallery | 4.0 – through 5.1.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/b0b97661-c671-420c-8fca-22666862b379/ exploit, vdb-entry, technical-description