PT-2023-12366 · Unknown · Flatcore-Cms

Dongvv-2538 · Published 2023-02-16 · Updated 2025-03-19 · CVE-2021-40555

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions flatCore-CMS version 2.2.15

Description The issue allows attackers to execute arbitrary code via the description field on the new page creation form. This is a cross-site scripting (XSS) vulnerability, which means attackers can inject malicious scripts into websites, potentially leading to unauthorized access or control.

Recommendations For flatCore-CMS version 2.2.15, update to a version that fixes this issue, as using the description field on the new page creation form can lead to arbitrary code execution. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-40555

Affected Products

Flatcore-Cms

References · 6

• 🔥 https://github.com/flatCore/flatCore-CMS/issues/56 · Exploit
• https://osv.dev/vulnerability/CVE-2021-40555 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40555 · Security Note
• https://t.me/cvenotify/115333 · Telegram Post
• https://t.me/cvenotify/44887 · Telegram Post
• https://t.me/cibsecurity/58323 · Telegram Post