The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Subscriptions

Vendors Products
Softaculous Subscribe
Siteseo Subscribe
Wordpress Subscribe
Wordpress Subscribe

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2025-25954 The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 27 Aug 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 27 Aug 2025 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Softaculous
Softaculous siteseo
Wordpress
Wordpress wordpress
Vendors & Products Softaculous
Softaculous siteseo
Wordpress
Wordpress wordpress

Tue, 26 Aug 2025 22:45:00 +0000

Type Values Removed Values Added
Description The SiteSEO – SEO Simplified plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the broken preg_replace expression in all versions up to, and including, 1.2.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Title SiteSEO – SEO Simplified <= 1.2.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Broken Regex Expression
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2025-08-27T20:43:20.115Z

Reserved: 2025-08-20T19:11:22.801Z

Link: CVE-2025-9277

cve-icon Vulnrichment

Updated: 2025-08-27T20:43:15.544Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-26T23:15:35.963

Modified: 2025-08-29T16:22:31.970

Link: CVE-2025-9277

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-08-27T11:21:30Z

Weaknesses