CVE-2026-11328: Stored XSS in Exclusive Addons for Elementor

Technical summary

CVE-2026-11328 is a stored XSS vulnerability (CWE-79) in Exclusive Addons for Elementor that arises from insufficient input sanitization and output escaping on the post title parameter. The vulnerability allows authenticated users at Contributor privilege level and above to inject arbitrary JavaScript code that persists in the database and executes in the context of other users' browsers when they access the affected page. The attack vector is network-based with low complexity and does not require user interaction, though the impact is limited to confidentiality and integrity at the application level (CVSS 6.4 MEDIUM).

Business impact

Organizations using Exclusive Addons for Elementor face risk of defacement, credential theft, malware distribution, and session hijacking through stored XSS payloads. Because the vulnerability requires Contributor-level access, the risk is primarily internal—a compromised or malicious contributor account, or an overly-permissioned user, can deface content visible to all site visitors. For publishing-heavy organizations, this could disrupt content integrity workflows and erode user trust in published materials.

Affected systems

Exclusive Addons for Elementor plugin versions up to and including 2.7.9.8 are vulnerable. The vulnerability affects any WordPress installation using this plugin with at least one user account possessing Contributor-level permissions or higher. WordPress multisite installations are also at risk if the plugin is network-activated or enabled on individual sites.

Exploitability

The vulnerability has low barrier to exploitation for actors with valid Contributor credentials or higher. No special exploit tools are required—an attacker can craft a malicious post title through the standard WordPress editor interface. However, the requirement for authenticated access at Contributor level or above limits the attack surface compared to unauthenticated XSS. Exploitation does not appear in the CISA Known Exploited Vulnerabilities (KEV) catalog as of the publication date.

Remediation

Update Exclusive Addons for Elementor to a version released after 2.7.9.8 that addresses this vulnerability. Verify the patched version number against the plugin's official changelog and security advisories. As an interim measure, restrict Contributor-level permissions to trusted users only, audit existing user accounts for suspicious activity, and consider disabling the plugin if patching cannot be deployed immediately.

Patch guidance

Check the Exclusive Addons for Elementor plugin repository and vendor advisory for the next available version after 2.7.9.8. Apply the update through the WordPress admin dashboard (Plugins > Installed Plugins > Exclusive Addons for Elementor > Update). Test the update in a staging environment before deploying to production to ensure compatibility with your theme and other plugins. Verify in the plugin's security changelog that the post title sanitization and escaping has been fixed.

Detection guidance

Monitor WordPress user activity logs for suspicious post edits by Contributor-level accounts, especially those containing script tags, event handlers, or encoded payloads in post titles. Use WordPress security plugins (e.g., Wordfence, Sucuri) to scan for stored XSS payloads in post metadata. Conduct a manual code review of recent post revisions in the wp_posts table, focusing on the post_title field for JavaScript or HTML markup. Check browser console errors and network traffic on your site for unexpected script execution.

Why prioritize this

Although this vulnerability is rated MEDIUM severity with a CVSS score of 6.4, it warrants prompt attention because stored XSS affecting published content directly undermines site integrity and user trust. The low complexity of exploitation—combined with the likelihood that most WordPress sites grant Contributor access to editorial staff—means remediation should be prioritized above low-severity issues but below remote code execution or authentication bypass flaws. Organizations with high-visibility public-facing sites should patch sooner; internal-only WordPress instances can accept slightly longer timelines.

Risk score, explained

The CVSS 6.4 MEDIUM score reflects several factors: (1) Network-based attack vector with low complexity increases accessibility, (2) Requirement for authenticated Contributor-level access significantly reduces the threat actor pool compared to unauthenticated vulnerabilities, (3) Scope change (C:L, I:L, A:N) means impact is confined to confidentiality and integrity without availability impact, and (4) The absence of User Interaction requirement makes exploitation reliable once credentials are obtained. The score does not account for the business-critical nature of published content integrity in many organizations, which may warrant raising internal risk scores.

Frequently asked questions