CVE-2026-74921CWE-79cross-site-scripting

CVE-2026-74921

Medium · published October 19, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
13.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00235 · 13.7th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-19T11:16Z
References (1)
https://wpscan.com/vulnerability/b0b97661-c671-420c-8fca-22666862b379/ · [email protected]
EPSS history
Timeline
  • 20 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 19 OCT 06:46Z
    Document Gallery 4.0 - 5.1.1 - Contributor+ Stored XSS via Gallery Shortcode Attributes
    cvelistv5
  • 19 OCT 06:46Z
    Document Gallery 4.0 - 5.1.1 - Contributor+ Stored XSS via Gallery Shortcode Attributes
    cvelistv5