Cyber Resilience

CVE-2024-22569

MediumPublic PoC

Published: 31 January 2024

Published
31 January 2024
Modified
30 May 2025
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0013 31.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-22569 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Poscms Poscms. Its CVSS base score is 5.4 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 31.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Stored Cross-Site Scripting (XSS) vulnerability in POSCMS v4.6.2, allows attackers to execute arbitrary code via a crafted payload to /index.php?c=install&m=index&step=2&is_install_db=0.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Stored XSS in POSCMS installer allows unauthenticated remote attackers to inject arbitrary JavaScript payloads into the project name, which is stored and executed in victims' browsers upon viewing the home page post-installation, enabling exploitation of a public-facing web application.

Affected Assets

poscms
poscms
4.6.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References