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githubGitHub Advisory DatabaseGHSA-HRPP-H998-J3PP
HistoryNov 27, 2022 - 12:30 a.m.

qs vulnerable to Prototype Pollution

2022-11-2700:30:50
CWE-1321
GitHub Advisory Database
github.com
46

0.009 Low

EPSS

Percentile

82.5%

qs before 6.10.3 allows attackers to cause a Node process hang because an __ proto__ key can be used. In many typical web framework use cases, an unauthenticated remote attacker can place the attack payload in the query string of the URL that is used to visit the application, such as a[__proto__]=b&a[__proto__]&a[length]=100000000. The fix was backported to qs 6.9.7, 6.8.3, 6.7.3, 6.6.1, 6.5.3, 6.4.1, 6.3.3, and 6.2.4.

References