CVE-2020-23370

5.4 mediumEPSS 0.7%

Medium (5.4) in yzmcms yzmcms. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-05-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

yzmcms:yzmcms

References

https://github.com/yzmcms/yzmcms/issues/45
https://github.com/yzmcms/yzmcms/issues/45

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