CVE-2026-74921
Medium
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.
SeverityMedium
CVSS6.8
Exploit probability—
ProductDocument Gallery
PublishedOct 19, 2026
First seenOct 19, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Document Gallery | 4.0 ≤ v ≤ 5.1.1 | — |
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