CVE-2025-49858: 
WordPress vulnerability analysis and mitigation

A Cross-site Scripting (XSS) vulnerability has been identified in tychesoftwares Arconix Shortcodes plugin through version 2.1.17. The vulnerability was disclosed on June 17, 2025, and has been assigned CVE-2025-49858. This security issue falls under the CWE-79 category (Improper Neutralization of Input During Web Page Generation) (NVD CVE, Wiz).

The vulnerability is classified as a Stored XSS issue and has been assigned a CVSS v3.1 base 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 (NVD CVE, Patchstack).

The vulnerability could allow malicious actors to inject harmful scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when visitors access the affected site (Patchstack).

The vulnerability has been fixed in version 2.1.18 of the Arconix Shortcodes plugin. Users are advised to update to this version or later to remove the vulnerability. For Patchstack users, enabling auto-update for vulnerable plugins is recommended as an additional security measure (Patchstack).