CVE-2026-15273
mediumThe Automatic.css plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REQUEST_URI in all version 4.0.0 due to insufficient input sanitization…
The Automatic.css plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REQUEST_URI in all version 4.0.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that will execute whenever an administrator accesses the Activity Log settings page.
CVSS
6.4
6.4 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Severity source: NVD CVSS v3.1 (security@wordfence.com)
Timeline (UTC)
Published: 2026-09-26 03:17
Modified: 2026-09-28 15:16
NVD status: Deferred
Last synced 3 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://automaticcss.com/changelogs/ security@wordfence.com
- https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/Helpers/Logge... security@wordfence.com
- https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/Lib/WideEvent... security@wordfence.com
- https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/Plugin.php#L1... security@wordfence.com
- https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/UI/Settings_P... security@wordfence.com
- https://www.wordfence.com/threat-intel/vulnerabilities/id/07d697c5-1c15-4d3a-8637-cc4fd408... security@wordfence.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗
