XSS in the `of` option of the `.position()` util
CVE-2021-41184

6.5MEDIUM

Key Information:

Vendor

Jquery

Status
Jquery-ui
Vendor
CVE Published:
26 October 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 22%

What is CVE-2021-41184?

jQuery-UI is the official jQuery user interface library. Prior to version 1.13.0, accepting the value of the of option of the .position() util from untrusted sources may execute untrusted code. The issue is fixed in jQuery UI 1.13.0. Any string value passed to the of option is now treated as a CSS selector. A workaround is to not accept the value of the of option from untrusted sources.

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Affected Version(s)

jquery-ui < 1.13.0

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.

Exploit-Medium-CVE-2021-41184
Created by gabrielolivra

References

https://blog.jqueryui.com/2021/10/jquery-ui-1-13-0-released/
https://github.com/jquery/jquery-ui/security/advisories/G...
https://github.com/jquery/jquery-ui/commit/effa323f1505f2...

EPSS Score

22% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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