AUGUST 4, 2026
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Case File

CVE-2021-20787

MEDIUM · CVSS 4.8 EPSS 0.64%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-30 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-20787
Severity
MEDIUM
CVSS
4.8
EPSS
0.64%

Original NVD Description

Cross-site scripting vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0) allows a remote attacker to inject an arbitrary script by sending a specially crafted request to a specific URL.