PT-2023-21745 · Unknown · Concrete Cms

Bogdan Tiron · CVE-2023-28475 · Published 2023-04-28 · Updated 2023-12-06

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Concrete CMS (previously concrete5) versions 8.5.12 and below Concrete CMS (previously concrete5) versions 9.0 through 9.1.3

Description The issue is related to Reflected XSS on the Reply form because the msgID was not sanitized. This allows for potential exploitation.

Recommendations For versions 8.5.12 and below, update to version 9.2 or later. For versions 9.0 through 9.1.3, update to version 9.2 or later. As a temporary workaround, consider restricting access to the Reply form until a patch is available. Avoid using the msgID parameter in the affected Reply form endpoint until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2023-28475

GHSA-VCPR-HM2M-GJJJ

Affected Products

Concrete Cms

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28475.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-28475 · Security Note
• https://osv.dev/vulnerability/CVE-2023-28475 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-vcpr-hm2m-gjjj · Vendor Advisory
• https://concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20 · Vendor Advisory
• https://github.com/concretecms/concretecms/commit/861ba66d248165c9ee9d6d11a0457908b97d68f0 · Note
• https://concretecms.com · Note
• https://concretecms.org/about/project-news/security/2023-11-09-security-blog-about-updated-cves-and-new-release · Note
• https://t.me/cibsecurity/63059 · Telegram Post
• https://t.me/cvenotify/62480 · Telegram Post