CVE-2025-49450: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability has been identified in mhallmann SEPA Girocode plugin versions through 0.5.1. The vulnerability was discovered by Chu The Anh (Blue Rock) and was publicly disclosed on June 5, 2025, with the identifier CVE-2025-49450 (Patchstack).

The vulnerability is classified as an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') issue. It has been assigned a CVSS v3.1 score of 6.5 (Medium), with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. The vulnerability requires Contributor-level privileges to exploit (Patchstack).

If exploited, this vulnerability could allow a malicious actor to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).

As there is no official fix available for this vulnerability, the recommended mitigation strategy is to remove and replace the software with an alternative solution. It's important to note that merely deactivating the software does not remove the security threat unless a virtual patch (vPatch) is deployed (Patchstack).