Auth bypass in Upstreamplugin Upstream: A Project Management Plugin For WordPress

CVE-2025-49974

Missing Authorization vulnerability in upstreamplugin UpStream: a Project Management Plugin for WordPress upstream allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UpStream: a Project Management Plugin for WordPress: from n/a through <= 2.1.1.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-49974: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-49974?
CVE-2025-49974 is a medium-severity vulnerability in Upstreamplugin Upstream: A Project Management Plugin For WordPress, classified under Missing Authorization. CVSS score: 4.3/10. Published 2025-06-20.
How severe is CVE-2025-49974?
Medium severity. CVSS v3 base score is 4.3 out of 10.