CVE-2021-44217 Cross-site Scripting in Ericsson CodeChecker

What is CVE-2021-44217?

CVE-2021-44217 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Jan 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

In Ericsson CodeChecker through 6.18.0, a Stored Cross-site scripting (XSS) vulnerability in the comments component of the reports viewer allows remote attackers to inject arbitrary web script or HTML via the POST JSON data of the /CodeCheckerService API.

Weakness: CWE-79

Which versions are affected by CVE-2021-44217?

4 open source packages ship an affected version, including codechecker and codechecker-api. It affects 1 product.

Products include Ericsson Codechecker.

How do I fix CVE-2021-44217?

Upgrade codechecker to 6.18.2 or later.

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-2021-44217 being exploited?

There is no known exploitation of CVE-2021-44217 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in n/a

• CVE-2024-10081 codechecker vulnerable to authentication bypass when using specifically crafted URLs Critical 10.0
• CVE-2026-25660 Authentication bypass for certain API calls Critical 9.3
• CVE-2024-10082 codechecker authentication method confusion vulnerability allows logging in as the built-in root user from an external service High 8.7
• CVE-2024-53829 Cross-Site Request Forgery in CodeChecker API High 8.2
• CVE-2023-49793 Path traversal in `CodeChecker server` in the endpoint of `CodeChecker store` Medium 6.5

Sources

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

Also known as GHSA-fxmx-pfm2-85m2, PYSEC-2022-43181, PYSEC-2026-625.