6.4Medium

CVE-2026-3423Envira Gallery <= 1.12.4 - Authenticated (Author+) Stored Cross-Site Scripting via Gallery Description

smub Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More Published: 2026-08-28 14:29 (2 months ago)

Description

The Envira Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the gallery 'description' configuration field in all versions up to, and including, 1.12.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses a page displaying the gallery with a description enabled.

Weakness (CWE): CWE-79

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
smub	Envira Gallery – Image Photo Gallery, Albums, Video Gallery, Slideshows & More	≤ 1.12.4

References and patches

CVSS score

6.4Medium

Source: Wordfence · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

All scores (2)

cna	CVSS 3.1	6.4Medium
security@wordfence.com	CVSS 3.1	6.4Medium

EPSS (chance of exploitation in 30 days)

0.33%

higher than 27% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-03-02
Published2026-08-28 14:29
Reached IP-DB2026-10-24 23:49
Last updated2026-08-28 23:17

Assigned by (CNA): Wordfence
NVD status: Deferred

View at source: CVE.org · NVD

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