CVE-2026-0725: Dynamics 365 CRM Plugin XSS Vulnerability

CVE-2026-0725 Overview

CVE-2026-0725 affects the Integrate Dynamics 365 CRM plugin for WordPress in all versions up to and including 1.1.1. The vulnerability allows Stored Cross-Site Scripting (XSS) through the plugin's admin settings due to insufficient input sanitization and output escaping on user-supplied attributes. Authenticated attackers with Administrator-level access or higher can inject arbitrary web scripts that execute when users access an affected page. The flaw is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation).

Critical Impact
Persistent JavaScript payloads injected by privileged users execute in the browsers of site visitors and administrators, enabling session theft, content manipulation, and further administrative actions.

Affected Products

Integrate Dynamics 365 CRM plugin for WordPress, versions through 1.1.1
WordPress sites with the plugin installed and active
Administrator and higher-privileged accounts on affected installations

Discovery Timeline

2026-01-17 - CVE-2026-0725 published to NVD
2026-04-15 - Last updated in NVD database

Technical Details for CVE-2026-0725

Vulnerability Analysis

The vulnerability resides in the plugin's template rendering logic, specifically in Wrappers/class-templatewrapper.php around line 491. The plugin accepts user-supplied attributes through admin settings without performing adequate sanitization on input or escaping on output. When those attributes are later rendered into pages, embedded HTML and JavaScript are preserved verbatim, producing a Stored Cross-Site Scripting condition.

Because the injected content is persisted in the WordPress database, every subsequent page load that includes the affected template triggers script execution. The scope change reflected in the CVSS vector indicates that the executing script can reach resources beyond the vulnerable component, such as administrative interfaces and authenticated sessions of other users.

Root Cause

The root cause is missing input validation and missing output escaping on attributes supplied through the plugin's admin settings interface. WordPress provides standard sanitization helpers such as sanitize_text_field() and escaping helpers such as esc_html(), esc_attr(), and wp_kses_post(). The vulnerable code path bypasses these helpers when storing and emitting administrator-supplied attribute values.

Attack Vector

Exploitation requires an authenticated session with Administrator-level access or above. An attacker who already holds or compromises such an account submits a malicious payload through the plugin's admin settings. The payload is stored in plugin options and rendered into pages produced by the template wrapper. When any subsequent visitor or administrator accesses an affected page, the script executes in their browser context. This pattern is commonly abused in multi-administrator environments and in scenarios where an attacker has obtained admin credentials through phishing or credential reuse.

No verified public proof-of-concept is available. Technical details on the affected source line are published in the WordPress Plugin Class File and the Wordfence Vulnerability Report.

Detection Methods for CVE-2026-0725

Indicators of Compromise

Plugin option values in wp_options containing <script>, onerror=, onload=, or javascript: substrings tied to the Integrate Dynamics 365 CRM plugin namespace.
Unexpected JavaScript executing on pages rendered by the plugin's template wrapper.
Outbound requests from visitor browsers to unfamiliar domains after loading affected pages.

Detection Strategies

Audit plugin settings stored in the database for HTML or JavaScript content where plain text is expected.
Review WordPress audit logs for administrator-level edits to Integrate Dynamics 365 CRM settings, especially from unexpected accounts or IP addresses.
Scan rendered HTML output of pages using the plugin for unauthorized inline scripts or event handlers.

Monitoring Recommendations

Alert on modifications to wp_options rows associated with the plugin.
Monitor administrator account logins and privilege changes for anomalous activity.
Track Content Security Policy (CSP) violation reports that may indicate stored payloads attempting execution.

How to Mitigate CVE-2026-0725

Immediate Actions Required

Update the Integrate Dynamics 365 CRM plugin to a version newer than 1.1.1 once a fixed release is available.
Review all existing plugin settings and remove any unexpected HTML or JavaScript content.
Rotate credentials and session tokens for administrator accounts if compromise is suspected.
Enforce least-privilege role assignment so only required users hold Administrator access.

Patch Information

The vendor committed a fix referenced in WordPress Changeset #3438502. Site operators should apply the corresponding plugin update through the WordPress admin dashboard or by replacing the plugin files with the patched version. Validate the installed version after update and confirm that previously injected content has been removed from plugin options.

Workarounds

Deactivate the Integrate Dynamics 365 CRM plugin until a patched release is deployed.
Restrict Administrator role assignment to a minimal set of trusted accounts protected by multi-factor authentication.
Deploy a Content Security Policy that disallows inline scripts on pages rendered by the plugin to reduce execution of injected payloads.
Place the WordPress admin interface behind IP allowlisting or a web application firewall configured to block XSS payloads in plugin setting requests.

bash

# Configuration example: enforce a restrictive CSP header in Nginx
add_header Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'self';" always;