Cyber Resilience

CVE-2020-13564

MediumPublic PoC

Published: 01 February 2021

Published
01 February 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.4209 97.5th percentile
Risk Priority 37 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-13564 is a medium-severity Basic XSS (CWE-80) vulnerability in Phpgacl Project Phpgacl. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 2.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A cross-site scripting vulnerability exists in the template functionality of phpGACL 3.3.7. A specially crafted HTTP request can lead to arbitrary JavaScript execution. An attacker can provide a crafted URL to trigger this vulnerability in the phpGACL template acl_id parameter.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

phpgacl project
phpgacl
3.3.7
open-emr
openemr
5.0.2

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