CVE-2021-40555

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

Cross site scripting (XSS) vulnerability in flatCore-CMS 2.2.15 allows attackers to execute arbitrary code via description field on the new page creation form.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 16, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-40555: Medium severity, CVSS 5.4 | Vulnix