CVE-2025-12837 is a stored Cross-Site Scripting (XSS) vulnerability identified in the aThemes Addons for Elementor plugin for WordPress, specifically affecting the Call To Action widget in versions up to and including 1.1.5. The vulnerability stems from improper neutralization of user-supplied input during web page generation, classified under CWE-79. Authenticated attackers with contributor-level or higher permissions can exploit this flaw by injecting arbitrary JavaScript code into pages via the vulnerable widget. Because the malicious script is stored, it executes every time a user accesses the compromised page, potentially affecting any visitor or administrator. The vulnerability does not require user interaction beyond page access and does not require elevated privileges beyond contributor-level, which is a relatively low threshold in WordPress environments. The CVSS v3.1 base score is 6.4, reflecting a medium severity with network attack vector, low attack complexity, privileges required, no user interaction, and a scope change due to affecting other users. Although no public exploits are currently known, the vulnerability poses a significant risk due to the widespread use of WordPress and the popularity of Elementor and its addons. The lack of available patches at the time of publication necessitates immediate attention from site administrators to apply workarounds or restrict permissions to mitigate exploitation risk.

The impact of CVE-2025-12837 can be significant for organizations running WordPress sites with the vulnerable aThemes Addons for Elementor plugin. Successful exploitation allows attackers to execute arbitrary JavaScript in the context of the affected website, leading to potential session hijacking, credential theft, defacement, unauthorized actions on behalf of users, or distribution of malware. Since the vulnerability is stored, the malicious payload persists and affects all users visiting the compromised page, increasing the attack surface. The requirement for contributor-level access lowers the barrier for exploitation, as contributors are common roles in content management workflows. This can lead to insider threats or compromised contributor accounts being leveraged for attacks. The scope of impact extends beyond the initial attacker, affecting site visitors and administrators, potentially damaging organizational reputation and trust. Additionally, attackers could use this vulnerability as a foothold for further attacks within the network or to pivot to other systems. Given WordPress's global prevalence, the threat is widespread, especially for organizations relying on third-party plugins without rigorous security vetting.

To mitigate CVE-2025-12837, organizations should immediately restrict contributor-level permissions to trusted users only and audit existing contributor accounts for suspicious activity. Until an official patch is released, administrators can disable or remove the vulnerable Call To Action widget from their sites to prevent exploitation. Implementing a Web Application Firewall (WAF) with custom rules to detect and block suspicious input patterns targeting this widget can provide temporary protection. Regularly monitor site content for unexpected script injections or changes. Employ Content Security Policy (CSP) headers to limit the execution of unauthorized scripts. Encourage users to update the plugin promptly once a security update is available. Additionally, conduct security awareness training for contributors to recognize phishing or social engineering attempts that might lead to account compromise. Finally, maintain regular backups of website data to enable quick restoration if an attack occurs.