CVE-2026-1236Network attack vector

Author-level stored XSS via gallery theme setting

Published Mar 4, 2026 · Updated Mar 4, 2026

Stored XSS in Awesome Motive Envira Gallery 1.12.3 and earlier allows remote authenticated users to inject scripts via gallery settings. The REST API accepts justified_gallery_theme, and the shortcode renderer incorporates its stored value into gallery output without sufficient sanitization or escaping. Author-level access is required, and the script executes in a visitor's browser whenever an affected gallery page is opened.

CVSS severity6.4
Medium
EPSS probability0.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Awesome Motive Envira Gallery 1.12.3 and earlier allows remote authenticated users to inject scripts via gallery settings. The REST API accepts justified_gallery_theme, and the shortcode renderer incorporates its stored value into gallery output without sufficient sanitization or escaping. Author-level access is required, and the script executes in a visitor's browser whenever an affected gallery page is opened.

The record

CVE
CVE-2026-1236
Published
Mar 4, 2026
Updated
Mar 4, 2026
Vendor
Awesome Motive
Product
Envira Gallery
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 4, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 4, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=1.12.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Awesome Motive · Envira Galleryversion=* <=1.12.3

Published CVSS scores

6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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