CVE-2020-21345

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p55

Published

May 20, 2021 (May 20, 2021)

Modified

Jun 17, 2026

Description

Cross Site Scripting (XSS) vulnerability in Halo 1.1.3 via post publish components in the manage panel, which lets a remote malicious user execute arbitrary code.

Vendors: halo
Products: halo
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.8%)

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