Envira Gallery for WordPress <= 1.12.3 - Authenticated (Author+) Stored Cross-Site Scripting via 'justified_gallery_theme' Parameter via REST API

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-1236
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-04 09:15:55 UTC
Updated2026-04-22 21:26:58 UTC
DescriptionThe Envira Gallery for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'justified_gallery_theme' parameter in all versions up to, and including, 1.12.3 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 an injected page.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from [email protected]

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

EPSS: 0.000390000 probability, percentile 0.118140000 (date 2026-04-22)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Smub Envira Gallery Image Photo Gallery Albums Video Gallery Slideshows More affected 1.12.3 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/bc552d46-79ca-4540-8620-5a031... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/envira-gallery-lite/tags/1.12.3/includes/global/short... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/global/shortcode.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Athiwat Tiprasaharn (en)

CNA: Itthidej Aramsri (en)

CNA: Waris Damkham (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-01-20T16:56:31.000ZVendor Notified
CNA2026-03-03T20:19:00.000ZDisclosed
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