What is CVE-2020-13564?

CVE-2020-13564 is a critical-severity vulnerability in Phpgacl, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 9.6/10. Published 2021-02-01.

How severe is CVE-2020-13564?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Is CVE-2020-13564 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Phpgacl

CVE-2020-13564

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…

EPSS: 0.759 (99.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

N/a Phpgacl — versions phpGACL 3.3.7

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

talosintelligence.com/vulnerability_reports/TALOS-2020-1177 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-13564?: CVE-2020-13564 is a critical-severity vulnerability in Phpgacl, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 9.6/10. Published 2021-02-01.
How severe is CVE-2020-13564?: Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2020-13564 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.