What is GHSA-jxc3-pfg8-hv86?

GHSA-jxc3-pfg8-hv86 is a security advisory published by GitHub Security Advisories with High severity. The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when...

Which CVE IDs does GHSA-jxc3-pfg8-hv86 cover?

GHSA-jxc3-pfg8-hv86 covers the following CVE IDs: CVE-2026-16267. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jxc3-pfg8-hv86?

GHSA-jxc3-pfg8-hv86 has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-jxc3-pfg8-hv86HighCVSS 8.1

The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when...

Vendor

GitHub Security Advisories

Published

August 8, 2026

Last Modified

August 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-16267 →

📋 Description

The Newsletters WordPress plugin before 4.16 does not restrict the classes allowed when unserialising a value taken from a public form submission, allowing unauthenticated attackers to inject arbitrary PHP objects.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-16267
https://wpscan.com/vulnerability/b51c11d6-5bfa-4b2c-b348-cda19889deee
https://github.com/advisories/GHSA-jxc3-pfg8-hv86