CVE-2021-44217

Cross-site Scripting in Ericsson CodeChecker

6.1 MediumPublic exploitFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.65%Unchanged since Jan 19, 2022

What each source reports

NVD Score used 6.1

Record: CVE-2021-44217
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-44217
Updated: 2026-11-02

EUVDEUVD-2022-0591 No score

Record: EUVD-2022-0591
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fxmx-pfm2-85m2 No score

Cross-site Scripting in Ericsson CodeChecker

In Ericsson CodeChecker prior to 6.18.2, 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.

Record: GHSA-fxmx-pfm2-85m2
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

Record: CVE-2021-44217
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVPYSEC-2022-43181 6.1

Record: PYSEC-2022-43181
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-fxmx-pfm2-85m2 No score

Cross-site Scripting in Ericsson CodeChecker

Record: GHSA-fxmx-pfm2-85m2
Weakness: CWE-79
Updated: 2026-11-02

OSVPYSEC-2026-625 No score

Cross-site Scripting in Ericsson CodeChecker

Record: PYSEC-2026-625
Updated: 2026-11-02

Affected products

ericsson codechecker

Affected packages

Affected packages
Package	Affected	Fixed
`codechecker` PyPI	before 6.18.2	6.18.2
`codechecker` PyPI	before 6.18.2, plus listed versions 6.16.06.16.0a16.17.06.18.06.18.1	6.18.2
`codechecker-api` PyPI	Not stated	Not evaluated

Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	Hyperkopite/CVE-2021-44217	2021-11-25

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-44217 is a medium vulnerability (CVSS 6.1) in Ericsson Codechecker, published January 18, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.65%, the 76th percentile. Fixed in codechecker 6.18.2.

References

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