CVE-2020-13564 Cross-site scripting in phpGACL
An attacker can execute arbitrary JavaScript in the context of a victim's browser via a crafted URL in the phpGACL template functionality.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-13564?
CVE-2020-13564 is a critical cross-site scripting vulnerability in Open-Emr Openemr, published on 1 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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 vulnerability in the phpGACL template acl_id parameter.
Which versions are affected by CVE-2020-13564?
It affects 2 products.
Products include Open-Emr Openemr, Phpgacl Project Phpgacl.
How do I fix CVE-2020-13564?
No fix has been published for CVE-2020-13564 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-13564 being exploited?
There is no known exploitation of CVE-2020-13564 in the wild and no public exploit code.
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- CVE-2022-2734 Improper Restriction of Rendered UI Layers or Frames in openemr/openemr
- CVE-2024-22611 SQL injection in n/a
Sources
Also known as GHSA-vqp5-86j6-8f36.