CVE-2020-13562

mediumpriority · attend · 51EPSS 0.777 · 100 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

77.7% (100th) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-24

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 4.3–9.6

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.09.6criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.09.6criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · talos-cna@cisco.com USexploitability 2.8 · impact 6

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-80US

affected products (3)

Products and version ranges known to be affected.

n/a phpGACL≤ phpGACL 3.3.7 ,OpenEMR 5.0.2 ,OpenEMR development version 6.0.0 (commit babec93f600ff1394f91ccd512bcad85832eb6ce)enisa_euvdEU
open-emr openemr= 5.0.2nvdUScpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*
phpgacl project phpgacl= 3.3.7nvdUScpe:2.3:a:phpgacl_project:phpgacl:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-02-01modified 2026-06-17

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+52919 more

references (5)

External citations — patches, advisories, analysis.

http://phpgacl.sourceforge.net/Patchcnnvd
https://nvd.nist.gov/vuln/detail/CVE-2020-13562 cnnvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1177 cnnvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1177 enisa_euvd
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1177ExploitTechnical DescriptionThird Party Advisorynvd

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