Parse Server is vulnerable to Prototype Pollution via Cloud Code Webhooks

Description

A compromised Parse Server Cloud Code Webhook target endpoint allows an attacker to use prototype pollution to bypass the Parse Server requestKeywordDenylist option.

Recommendation

Update the parse-server package to the latest compatible version. Followings are version details:

• Affected version(s): **>= 5.0.0, < 5.3.3

  < 4.10.20**

• Patched version(s): **5.3.3

  4.10.20**

References

• GHSA-93vw-8fm5-p2jf
• CVE-2022-41879
• CWE-1321
• CAPEC-310
• OWASP 2021-A6

Related Issues

• Remote code execution via MongoDB BSON parser through prototype pollution - CVE-2022-39396
• Parse Server has an OAuth login vulnerability - CVE-2025-30168
• Parse Server before v3.4.1 vulnerable to Denial of Service - CVE-2019-1020012
• Potential DoS when using ContextLines integration (GHSA-r5w7-f542-q2j4) 10 - Vulnerability

Tags:

npm

parse-server