CVE-2026-15273 (GCVE-0-2026-15273)

Vulnerability from cvelistv5 – Published: 2026-09-26 02:28 – Updated: 2026-09-26 02:28
VLAI
Title
Automatic.css 4.0.0 - Unauthenticated Stored Cross-Site Scripting via REQUEST_URI
Summary
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.
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Impacted products
Vendor Product Version CPE status
Automatic.css Automatic.css Affected: 4.0.0
guessed Create a notification for this product.
Show details on NVD website

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            }
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Nguyen Ngoc Duc (duc193)"
        }
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        }
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            "version": "3.1"
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      "problemTypes": [
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              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-26T02:28:02.175Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
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          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/07d697c5-1c15-4d3a-8637-cc4fd408f209?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/UI/Settings_Page/Activity_Log.php#L90"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/Helpers/Logger.php#L187"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/Plugin.php#L175"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/Lib/WideEvents/Formatter/JsonFormatter.php#L25"
        },
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        }
      ],
      "timeline": [
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          "lang": "en",
          "time": "2026-07-31T19:07:37.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-09-25T14:07:53.000Z",
          "value": "Disclosed"
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      "title": "Automatic.css 4.0.0 - Unauthenticated Stored Cross-Site Scripting via REQUEST_URI"
    }
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    "datePublished": "2026-09-26T02:28:02.175Z",
    "dateReserved": "2026-07-09T14:57:41.440Z",
    "dateUpdated": "2026-09-26T02:28:02.175Z",
    "state": "PUBLISHED"
  },
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          }
        ],
        "id": "CVE-2026-15273",
        "lastModified": "2026-09-26T03:17:08.900",
        "metrics": {
          "cvssMetricV31": [
            {
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                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
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            "url": "https://plugins.trac.wordpress.org/browser/automaticcss-plugin/trunk/classes/UI/Settings_Page/Activity_Log.php#L90"
          },
          {
            "source": "security@wordfence.com",
            "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/07d697c5-1c15-4d3a-8637-cc4fd408f209?source=cve"
          }
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        "sourceIdentifier": "security@wordfence.com",
        "vulnStatus": "Received",
        "weaknesses": [
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                "value": "CWE-79"
              }
            ],
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            "type": "Primary"
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      }
    }
  }
}



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