---
id: CVE-2020-19511
title: >-
  Cross Site Scriptiong vulnerability in Typesetter 5.1 via the !1) className
  and !2) Description fields in index.php/Admin/Classes,
summary: >-
  Cross Site Scriptiong vulnerability in Typesetter 5.1 via the !1) className
  and !2) Description fields in index.php/Admin/Classes,
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: typesettercms
product: typesetter
affected:
  - typesetter = 5.1
published: '2021-06-21'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-19511'
references:
  - url: 'http://blog.topsec.com.cn/typesetter-5-1-storage-type-cross-site-script/'
    label: cve@mitre.org
  - url: 'http://blog.topsec.com.cn/typesetter-5-1-storage-type-cross-site-script/'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.typesettercms.com'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00826
epssPercentile: 0.55622
ingestedAt: '2026-07-06T17:03:23.526Z'
---

## Overview

Cross Site Scriptiong vulnerability in Typesetter 5.1 via the !1) className and !2) Description fields in index.php/Admin/Classes,

## Affected

- `typesetter = 5.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.