jquery-validation ReDoS in url2 due to incomplete fix of CVE-2021-43306
CVE-2022-31147

7.5HIGH

Key Information:

Vendor
CVE Published:
14 July 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-31147?

The jQuery Validation Plugin (jquery-validation) provides drop-in validation for forms. Versions of jquery-validation prior to 1.19.5 are vulnerable to regular expression denial of service (ReDoS) when an attacker is able to supply arbitrary input to the url2 method. This is due to an incomplete fix for CVE-2021-43306. Users should upgrade to version 1.19.5 to receive a patch.

Affected Version(s)

jquery-validation < 1.19.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2022-31147 : jquery-validation ReDoS in url2 due to incomplete fix of CVE-2021-43306