counterpart vulnerable to prototype pollution

Description

A vulnerability exists in the counterpart library for Node.js and the browser due to insufficient sanitization of user-controlled input in translation key processing. The affected versions prior to 0.18.

Recommendation

No fix is available yet. Followings are affected versions:

• <= 0.18.6

References

• GHSA-2488-w585-72ch
• CVE-2025-57354
• CWE-1321
• CAPEC-310
• OWASP 2021-A6

Related Issues

• node-cube vulnerable to prototype pollution - CVE-2025-57348
• mpregular vulnerable to prototype pollution - CVE-2025-57323
• parse is vulnerable to prototype pollution - CVE-2025-57324
• min-document vulnerable to prototype pollution - CVE-2025-57352

Tags:

npm

counterpart