CVE-2026-123044

ContentPen < 1.1.1 - Unauthenticated Stored XSS via API Key Disclosure

Published Nov 12, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
The ContentPen WordPress plugin before 1.1.1 discloses its REST API key to unauthenticated users, who can then use it to create posts containing unfiltered JavaScript, leading to Stored XSS that executes in the browser of any visitor, including administrators.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions contentpen
Vendors & Products Wordpress-extensions
Wordpress-extensions contentpen
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description The ContentPen WordPress plugin before 1.1.1 discloses its REST API key to unauthenticated users, who can then use it to create posts containing unfiltered JavaScript, leading to Stored XSS that executes in the browser of any visitor, including administrators.
Title ContentPen < 1.1.1 - Unauthenticated Stored XSS via API Key Disclosure
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Nov 12, 2026, 11:22 AM
Reserved
Nov 5, 2026, 8:34 AM
Status
Deferred
Published
Nov 12, 2026, 6:17 AM
Modified
Nov 12, 2026, 6:49 PM