CVE-2025-30962: 
WordPress vulnerability analysis and mitigation

A Reflected Cross-Site Scripting (XSS) vulnerability was discovered in the FS Poster WordPress plugin affecting versions through 6.5.8. The vulnerability was reported on April 10, 2025, and was assigned CVE-2025-30962. This security flaw allows for improper neutralization of input during web page generation (NVD, Patchstack).

The vulnerability has been assigned a CVSS v3.1 base score of 7.1 (High), with the following vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. The security flaw is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation). This is an unauthenticated vulnerability, meaning it can be exploited without requiring user authentication (Patchstack).

The vulnerability allows malicious actors to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the affected website. These injected scripts will be executed when guests visit the site, potentially compromising the security of both the website and its visitors (Patchstack).

As of the disclosure date, no official fix is available for this vulnerability. However, Patchstack has issued a virtual patch to mitigate the issue by blocking potential attacks until an official fix becomes available. Website administrators are advised to implement the virtual patch immediately to protect their sites (Patchstack).