CVE-2025-53347

Vulnerability

CVE-2025-53347 is a Cross-Site Request Forgery (CSRF) vulnerability in the Laborator Kalium WordPress theme, affecting versions from n/a through 3.18.3. The issue arises due to insufficient CSRF protections, enabling an attacker to trick a logged-in administrator into performing unintended actions without their consent [1].

Exploitation

Exploitation requires user interaction: a privileged user, such as an administrator, must click a malicious link, visit a crafted page, or submit a form while authenticated. The attacker does not require any special privilege but depends on the victim's session. This attack vector is commonly used in mass-exploit campaigns targeting multiple websites simultaneously [1].

Impact

Successful exploitation allows an attacker to force the victim to execute unwanted actions under their current authentication, such as changing settings, modifying content, or installing malicious plugins. The CVSS score of 4.3 (Medium) reflects the dependency on user interaction and the potential for moderate impact.

Mitigation

The vulnerability is addressed in Kalium version 3.19. Users are advised to update immediately. As a workaround, ensure administrators are cautious when clicking links and consider using CSRF protection plugins. Patchstack notes that the severity is low and exploitation is unlikely, but precautionary updates are recommended [1].