PT-2023-21746 · Unknown · Concrete Cms

Ashim Chapagain + 1 · Published 2023-04-28 · Updated 2024-01-09 · CVE-2023-28476

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 Concrete CMS (previously concrete5) versions 9.0 through 9.1.3 Concrete CMS (previously concrete5) versions prior to 9.2

Description The issue is related to Stored XSS on Tags on uploaded files. This allows for malicious code to be stored and executed when a user interacts with the affected tags.

Recommendations For versions 9.0 through 9.1.3, update to version 9.2 or later to resolve the issue. For versions prior to 9.2, update to version 9.2 or later to resolve the issue. As a temporary workaround, consider restricting access to uploaded files and their associated tags until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2023-28476

GHSA-2GGC-552C-RMQR

Affected Products

Concrete Cms

References · 12

• https://concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-28476 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-28476 · Security Note
• https://osv.dev/vulnerability/GHSA-2ggc-552c-rmqr · Vendor Advisory
• https://github.com/concretecms/concretecms · Note
• https://concretecms.org/about/project-news/security/2023-12-05-concrete-cms-new-cves-and-cve-updates · Note
• https://t.me/cvenotify/66689 · Telegram Post
• https://t.me/cvenotify/49331 · Telegram Post
• https://t.me/cibsecurity/63065 · Telegram Post
• https://t.me/cvenotify/49318 · Telegram Post
• https://t.me/cvenotify/49853 · Telegram Post
• https://concretecms.com · Note