TI-2021-08832 Aliases CVE-2021-27312 GHSA-7mxg-r76p-363g

Server Side Request Forgery (SSRF) vulnerability in Gleez Cms 1.2.0, allows remote…

HIGH 76CWE-918Published 2024-04-03 · Updated 2024-08-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01031 63rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	gleez/cms (Packagist)	up to 1.2.0	—	No fix listed	GHSA-7mxg-r76p-363g

— Vendor— Affected all versions Fixed in — No fix listed CNA
gleez/cms (Packagist) Vendor— Affected up to 1.2.0 Fixed in — No fix listed GHSA-7mxg-r76p-363g

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:gleezcms:gleez_cms:1.2.0:::::::*	1.2.0	Vulnerable	Gleezcms

cpe:2.3:a:gleezcms:gleez_cms:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·Gleezcms

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-27312
2026-10-03 Alias added: GHSA-7mxg-r76p-363g

References

Exploit 1

https://gist.github.com/LioTree/8d10d123d31f50db05a25586e62a87ba

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2021-27312

Other 2

TI-2018-11292 There is a CSRF vulnerability that can add an administrator account in Gleez CMS 1.2.0 via admin/users/add. CVSS 3.0HIGH 8.8
TI-2018-11711 An issue was discovered in Gleez CMS v1.2.0. CVSS 3.0MEDIUM 6.1
TI-2018-05109 Cross-site scripting (XSS) vulnerability in Gleez CMS 1.2.0 and 2.0 might allow remote… CVSS 3.0MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences