What is CVE-2021-44935?

CVE-2021-44935 is a critical-severity vulnerability in Glfusion, classified under Origin Validation Error. CVSS score: 9.1/10. Published 2021-12-14.

How severe is CVE-2021-44935?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Glfusion

CVE-2021-44935

glFusion CMS v1.7.9 is affected by an arbitrary user impersonation vulnerability in /public_html/comment.php. The attacker can complete the attack remotely without interaction.

Published 2021-12-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Glfusion — versions 1.7.9

Weakness classification (CWE)

CWE-346 — Origin Validation Error

References

github.com/glFusion/glfusion/issues/482 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-44935?: CVE-2021-44935 is a critical-severity vulnerability in Glfusion, classified under Origin Validation Error. CVSS score: 9.1/10. Published 2021-12-14.
How severe is CVE-2021-44935?: Critical severity. CVSS v3 base score is 9.1 out of 10.