CVE-2025-6944 - CVE House

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Status published Medium CVE-2025-6944

Uncode Core <= 2.9.4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcodes

6.4 CVSS

Vulnerability Description

The Uncode Core plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'uncode_hl_text' and 'uncode_text_icon' shortcodes in all versions up to, and including, 2.9.4.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Matthew Rollings

References

More from undsgn

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WordPress Uncode theme < 2.9.4.4 - Reflected Cross Site Scripting (XSS) vulnerability

Uncode <= 2.9.1.6 - Authenticated (Subscriber+) Arbitrary File Read in uncode_recordMedia

Uncode Core <= 2.9.1.6 - Authenticated (Subscriber+) Arbitrary Shortcode Execution in uncode_get_medias

Uncode <= 2.9.1.6 - Unauthenticated Arbitrary File Read in uncode_admin_get_oembed

Uncode <= 2.9.1.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via mle-description

Affected Vendor

undsgn

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Affected Software

Uncode Core

Vulnerable Versions:

0

Timeline

Official Publish: July 4th, 2025

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement