CVE-2025-1526 is a stored cross-site scripting vulnerability classified under CWE-79, found in the DethemeKit for Elementor plugin for WordPress. This vulnerability arises from improper neutralization of input during web page generation, specifically within the De Product Display Widget's countdown feature. Versions up to and including 2.1.9 fail to adequately sanitize user-supplied input and escape output, allowing authenticated attackers with Contributor-level privileges or higher to inject arbitrary JavaScript code into pages. When other users access these pages, the malicious scripts execute in their browsers, potentially leading to session hijacking, credential theft, or unauthorized actions performed with the victim's privileges. The vulnerability requires no user interaction beyond page access and can affect the confidentiality and integrity of user data. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N) indicates network exploitability with low attack complexity, requiring privileges but no user interaction, and a scope change due to impact on other components. Although no public exploits are known, the vulnerability poses a significant risk to websites using this plugin, especially those with multiple contributors and high traffic. The lack of a patch link suggests that users must monitor vendor updates or apply manual mitigations.

The impact of CVE-2025-1526 is primarily on the confidentiality and integrity of data handled by affected WordPress sites. Successful exploitation allows attackers to execute arbitrary scripts in the context of the victim's browser, enabling theft of cookies, session tokens, or other sensitive information. This can lead to account takeover or unauthorized actions performed with the victim's privileges. Since the vulnerability is stored XSS, the malicious payload persists on the site, affecting all visitors to the compromised page. This can damage organizational reputation, lead to data breaches, and facilitate further attacks such as phishing or malware distribution. The requirement for Contributor-level access limits exploitation to insiders or compromised accounts, but many WordPress sites have multiple contributors, increasing risk. The scope change in the CVSS vector indicates that the vulnerability can affect components beyond the initial plugin, potentially impacting site-wide security. Organizations worldwide using DethemeKit for Elementor are at risk, especially those with active user-generated content and multiple contributors.

To mitigate CVE-2025-1526, organizations should first check for and apply any official patches or updates released by the Detheme vendor as soon as they become available. In the absence of a patch, administrators should restrict Contributor-level access to trusted users only and audit existing contributors for suspicious activity. Implementing a Web Application Firewall (WAF) with rules to detect and block XSS payloads targeting the countdown feature can reduce risk. Site administrators should also sanitize and validate all user inputs manually if possible, especially those related to the De Product Display Widget. Regularly scanning the website for injected scripts or anomalous content can help detect exploitation attempts early. Additionally, enabling Content Security Policy (CSP) headers to restrict script execution sources can mitigate the impact of injected scripts. Educating contributors about safe input practices and monitoring logs for unusual behavior are also recommended. Finally, consider disabling or replacing the vulnerable widget if immediate patching is not feasible.