CVE-2022-43967 Concrete CMS vulnerable to Cross-site Scripting via multilingual report

What is CVE-2022-43967?

CVE-2022-43967 is a medium-severity cross-site scripting vulnerability in Concretecms Concrete Cms, published on 14 Nov 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2 is vulnerable to Reflected XSS in the multilingual report due to un-sanitized output. Remediate by updating to Concrete CMS 9.1.3+ or 8.5.10+.

Weakness: CWE-79

Which versions are affected by CVE-2022-43967?

4 open source packages ship an affected version, including concrete5/concrete5. It affects 1 product.

Products include Concretecms Concrete Cms.

How do I fix CVE-2022-43967?

Upgrade concrete5/concrete5 to a fixed version for your release line: 8.5.10 or 9.1.3.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-43967 being exploited?

There is no known exploitation of CVE-2022-43967 in the wild and no public exploit code.

Other vulnerabilities in Concretecms Concrete Cms

• CVE-2023-48648 Concrete CMS allows unauthorized access because directories can be created with insecure permissions Critical 9.8
• CVE-2022-21829 Code injection in concrete CMS Critical 9.8
• CVE-2021-22958 Server-Side Request Forgery vulnerability in concrete5 Critical 9.8
• CVE-2021-40098 Path traversal in n/a Critical 9.8
• CVE-2026-8134 Concrete CMS Vulnerable to Relative Path Traversal Critical 9.4

All Concretecms Concrete Cms vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-vq39-q549-g786.