Cross-site Scripting Vulnerability in Gianism by Fumiki Takahashi
CVE-2025-58266

5.9MEDIUM

Key Information:

Vendor

WordPress
Status
Gianism
Vendor
CVE Published:
22 September 2025

What is CVE-2025-58266?

The Gianism plugin by Fumiki Takahashi is susceptible to a Cross-site Scripting (XSS) vulnerability that allows attackers to execute malicious scripts in the context of the user's browser. This issue arises due to improper handling of user input during web page generation, enabling Stored XSS attacks that can compromise user data and lead to unauthorized actions. Affected versions include Gianism from n/a up to 5.2.2, making it crucial for users to update and secure their installations to mitigate potential exploits.

Affected Version(s)

Gianism <= 5.2.2

References

https://patchstack.com/database/wordpress/plugin/gianism/...
vdb-entry

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Yudha - DJ (Patchstack Alliance)
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