CVE-2021-44942: glFusion CMS 1.7.9 is affected by a Cross Site Request Forgery (CSRF) vulnerability in /public_html/admin/plug

Routine

MEDIUM 4.3DOWNGRADE

CVE-2021-44942 is a medium-severity flaw (CVSS 4.3) affecting glfusion. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

glFusion CMS 1.7.9 is affected by a Cross Site Request Forgery (CSRF) vulnerability in /public_html/admin/plugins/bad_behavior2/blacklist.php. Using the CSRF vulnerability to trick the administrator to click, an attacker can add a blacklist.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-12-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: glfusion

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-12-14 21:15 UTCPublished CVE record published
2026-06-17 04:12 UTCUpdated Record last modified

glfusion glfusion DOWNGRADE

Affected: 1.7.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7.9

1. Check installed version

apt-cache policy glfusion || rpm -q glfusion || glfusion --version

2. No fixed release: DOWNGRADE to a release before 1.7.9 (Debian / Ubuntu)

apt-cache madison glfusion sudo apt install glfusion=<VERSION_BEFORE_1.7.9> sudo apt-mark hold glfusion

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list glfusion sudo dnf downgrade glfusion-<VERSION_BEFORE_1.7.9> sudo dnf versionlock add glfusion

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-44942?

glfusion: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-44942 being exploited?

CVE-2021-44942 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-44942 affect?

CVE-2021-44942 affects glfusion. Severity is medium (CVSS 4.3). glFusion CMS 1.7.9 is affected by a Cross Site Request Forgery (CSRF) vulnerability in /public_html/admin/plugins/bad_behavior2/blacklist.php. Using the CSRF vulnerability to trick the administrator to click, an attacker can add a blacklist

How urgent is CVE-2021-44942?

Priority 28/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2021-45843 MEDIUM 6.1 DOWNGRADE glFusion CMS v1.7.9 is affected by a reflected Cross Site Scripting (XSS) vulnerability
CVE-2021-44949 CRITICAL 9.8 DOWNGRADE glFusion CMS 1.7.9 is affected by an access control vulnerability via /public_html/users.php.
CVE-2021-44937 MEDIUM 5.3 DOWNGRADE glFusion CMS v1.7.9 is affected by an arbitrary user registration vulnerability in /public_html/users.php
CVE-2021-44935 CRITICAL 9.1 DOWNGRADE glFusion CMS v1.7.9 is affected by an arbitrary user impersonation vulnerability in /public_html/comment.php

References

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