Stored Cross-Site Scripting Vulnerability in A Simple Multilanguage Plugin for WordPress
CVE-2025-9854

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
A Simple Multilanguage Plugin
Vendor
CVE Published:
3 October 2025

What is CVE-2025-9854?

The A Simple Multilanguage Plugin for WordPress is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping of user-supplied attributes in its 'asmp-switcher' shortcode. Attackers with contributor-level access or higher can exploit this vulnerability, allowing them to inject arbitrary web scripts into pages. These scripts will execute whenever a user accesses the compromised page, posing significant security risks to both site administrators and users.

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Deploy the Patch

Affected Version(s)

A Simple Multilanguage Plugin * <= 1.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/a-simple-multi...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gilang Asra Bilhadi
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