How to fix CVE-2025-12125?

During next maintenance window: Identify affected systems running plugin for WordPress is vulnerable to Stored Cross-Site Scri and apply vendor patches when convenient. Verify Content-Security-Policy and output encoding.

Is PHP affected by CVE-2025-12125?

Organizations using HTML Forms - Simple WordPress Forms Plugin should be aware of moderate risk from CVE-2025-12125, a cross-site scripting vulnerability rated CVSS 4.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

CVE-2025-12125

MEDIUM

2025-11-08 [email protected]

WordPress XSS PHP

4.4

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

CVE Published

Nov 08, 2025 - 04:15 nvd

MEDIUM 4.4

DescriptionNVD

The HTML Forms - Simple WordPress Forms Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.5.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

AnalysisAI

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The HTML Forms - Simple WordPress Forms Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.5.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2025-12125 vulnerability details – vuln.today

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