Which products and versions are affected by CVE-2020-13562?

Affected: Openemr (Open-Emr) versions 5.0.2; phpGACL (Phpgacl Project) versions 3.3.7, >= phpGACL 3.3.7 ,OpenEMR 5.0.2 ,OpenEMR development version 6.0.0 (commit babec93f600ff1394f91ccd512bcad85832eb6ce). The full list is in the CVE brief.

Is CVE-2020-13562 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2020-13562 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2020-13562?

No public exploit code is known.

Is there a fix for CVE-2020-13562?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2020-13562 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2020-13562

Medium

A cross-site scripting vulnerability exists in the template functionality of phpGACL 3.3.7.

Published Feb 1, 2021 · Updated Jul 8, 2026

Key Facts

Patch immediately

CVE-2020-13562 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting Openemr (Open-Emr), phpGACL (Phpgacl Project).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 78% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

6.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS (30-day exploit likelihood)

78%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2020-13562 brief as a PDF

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Description

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 vulnaerability in the phpGACL template action parameter.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
OpenemrOpen-Emr	5.0.2	n/a
phpGACLPhpgacl Project	3.3.7, >= phpGACL 3.3.7 ,OpenEMR 5.0.2 ,OpenEMR development version 6.0.0 (commit babec93f600ff1394f91ccd512bcad85832eb6ce)	n/a

Timeline

Publicly disclosed
Feb 1, 2021
Last updated
Jul 8, 2026

Weakness Type

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

References

exploithttps://talosintelligence.com/vulnerability_reports/TALOS-2020-1177

FAQ

Common Questions.

A cross-site scripting vulnerability exists in the template functionality of phpGACL 3.3.7.
Affected: Openemr (Open-Emr) versions 5.0.2; phpGACL (Phpgacl Project) versions 3.3.7, >= phpGACL 3.3.7 ,OpenEMR 5.0.2 ,OpenEMR development version 6.0.0 (commit babec93f600ff1394f91ccd512bcad85832eb6ce). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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