CVE-2026-74921: Document Gallery 4.0 through 5.1.1

CVE-2026-74921. CVSS 3.1 base score 6.8 (MEDIUM, Vendor/CNA).

Affected technology

Document Gallery · 4.0 through 5.1.1
Vendor not specified by the source

Description’s affected range: 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

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · High privileges required · User interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 19-Oct-2026 08:52 UTC

CCR priority: 27.2 /100 (P4)
CVSS 3.1: 6.8 /10 · CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-19 08:52:30.827432+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-74921.html