SSRF in Jurajsim Post Affiliate Pro

CVE-2026-2290

The Post Affiliate Pro plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 1.28.0. This makes it possible for authenticated attackers, with Administrator-level access, to make web requests to initiate arbitrary outbound requests from the application and read the returned response content. Successful exploitation was confirmed by receiving and observing response data from an external Collaborator endpoint.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (17.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2290?
CVE-2026-2290 is a low-severity vulnerability in Jurajsim Post Affiliate Pro, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.8/10. Published 2026-03-21.
How severe is CVE-2026-2290?
Low severity. CVSS v3 base score is 3.8 out of 10.