AUGUST 4, 2026
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Case File

CVE-2021-20813

MEDIUM · CVSS 6.1 EPSS 0.90%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-26 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. It may be remotely exploitable.

CVE
CVE-2021-20813
Severity
MEDIUM
CVSS
6.1
EPSS
0.90%

Original NVD Description

Cross-site scripting vulnerability in Edit screen of Content Data of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series) and Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series)) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.

Related CVEs

Other vulnerabilities affecting the same vendor(s)