CVE-2020-23370

PoC —

CVSS 3.1

5.4 medium

EPSS

<1%p53

Published

May 10, 2021 (May 10, 2021)

Modified

Jun 17, 2026

Description

In YzmCMS 5.6, stored XSS exists via the common/static/plugin/ueditor/1.4.3.3/php/controller.php action parameter, which allows remote attackers to upload a swf file. The swf file can be injected with arbitrary web script or HTML.

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

NVD CVE.org GitHub PoCs EPSS (0.7%)

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