CVE-2024-7398

MEDIUM EPSS 35.7%
Published Sep 25, 20241y ago · Modified Jun 17, 20262w ago
4.6 CVSS 4.0
Medium
Find Similar
Published Sep 25, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

Concrete CMS versions 9 through 9.3.3 and versions below 8.5.19 are vulnerable to stored XSS in the calendar event addition feature because the calendar event name was not sanitized on output. Users or groups with permission to create event calendars can embed scripts, and users or groups with permission to modify event calendars can execute scripts. The Concrete CMS Security Team gave this vulnerability a CVSS v4 score of 4.6 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N Thank you, Yusuke Uchida for reporting. CNA updated this risk rank on 20 Jan 2025 by lowering the AC based on CVSS 4.0 documentation that access privileges should not be considered for AC)

CVSS Details

Base Score
4.6
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction A
Scope X

Threat Intelligence

EPSS Exploit Probability
35.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 2

VendorProductVersionRange
concretecmsconcrete_cms* <8.5.19
concretecmsconcrete_cms*≥9.0.0  –  <9.3.3

References 5

  • documentation.concretecms.org https://documentation.concretecms.org/9-x/developers/introduction/version-history/934-release-notes
    Release Notes
  • documentation.concretecms.org https://documentation.concretecms.org/developers/introduction/version-history/8519-release-notes
    Release Notes
  • github.com https://github.com/concretecms/concretecms/commit/7c8ed0d1d9db0d7f6df7fa066e0858ea618451a5
    Patch
  • github.com https://github.com/concretecms/concretecms/pull/12183
    Patch
  • github.com https://github.com/concretecms/concretecms/pull/12184
    Patch

Remediation

  • github.com https://github.com/concretecms/concretecms/commit/7c8ed0d1d9db0d7f6df7fa066e0858ea618451a5
    Patch
  • github.com https://github.com/concretecms/concretecms/pull/12183
    Patch
  • github.com https://github.com/concretecms/concretecms/pull/12184
    Patch