What is CVE-2021-25973?

CVE-2021-25973 is a medium-severity vulnerability in Publify Core, classified under Improper Authorization. CVSS score: 6.5/10. Published 2021-11-02.

How severe is CVE-2021-25973?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Publify Core

CVE-2021-25973

In Publify, 9.0.0.pre1 to 9.2.4 are vulnerable to Improper Access Control. “guest” role users can self-register even when the admin does not allow. This happens due to front-end restriction only.

Published 2021-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Publify Core — versions 9.0.0.pre1, unspecified
Publify Project

Weakness classification (CWE)

References

github.com/publify/publify/commit/3447e0241e921b65f6eb1090453d8ea73e98387e (Patch, Third Party Advisory)
www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25973 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-25973?: CVE-2021-25973 is a medium-severity vulnerability in Publify Core, classified under Improper Authorization. CVSS score: 6.5/10. Published 2021-11-02.
How severe is CVE-2021-25973?: Medium severity. CVSS v3 base score is 6.5 out of 10.