MEDIUM

CVE-2020-13563

CVSS v3

6.1

MEDIUM

EPSS Score

75.9 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-13563 yet.

Full record on NVD

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 group_id parameter.

Technical details

Published: 2021-02-01

Frequently asked questions

What is CVE-2020-13563?

Is CVE-2020-13563 actively exploited?

Active exploitation of CVE-2020-13563 has not been confirmed. Its EPSS score was 75.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13563?

CVE-2020-13563 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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