CVE-2026-123044

HIGHCVSS 7.5/10EPSS 0.17%

Last modified

CVE-2026-123044 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.17%

6.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownContentPen< 1.1.1

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-123044?
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.
How severe is CVE-2026-123044?
CVE-2026-123044 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-123044?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST