Gleez Cms Server Side Request Forgery (SSRF) vulnerability

published 2024-04-03 2 y ago modified 2026-06-17 4 mo ago also GHSA-7mxg-r76p-363g , EUVD-2024-1146

cvss: 9.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits: 0; none known

Server Side Request Forgery (SSRF) vulnerability in Gleez Cms 1.2.0, allows remote attackers to execute arbitrary code and obtain sensitive information via modules/gleez/classes/request.php.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-04-03)

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/LioTree/8d10d123d31f50db05a25586e62a87ba referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CNA	3.1	9.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
GitHub	3.1	9.0	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	gleez/cms	<=1.2.0	no fix listed

Affected products

gleezcms gleez_cms

Classification

Weakness

CWE-918 Server-Side Request Forgery

References

gist.github.com /LioTree/8d10d123d31f50db05a25586e62a87ba
web, exploit, third-party-advisory
github.com /gleez/cms/issues/805
web, issue-tracking
nvd.nist.gov /vuln/detail/CVE-2021-27312
advisory
github.com /gleez/cms
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary