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Automatic.css 4.0.0 - Unauthenticated Stored Cross-Site Scripting via REQUEST_URI

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-15273

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-15273

Automatic.css

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Automatic.css",
    "product": "Automatic.css",
    "versions": [
      {
        "status": "affected",
        "version": "4.0.0"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-15273

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#2396 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement