Potential XSS vulnerability in jQuery
CVE-2020-11023
Key Information:
Badges
Summary
In jQuery, there is a vulnerability that affects versions starting from 1.0.3 up to, but not including, 3.5.0. This flaw allows malicious actors to execute untrusted code if HTML containing elements is passed to jQuery's DOM manipulation methods, such as .html() and .append(), even after attempting to sanitize it. This risk highlights the importance of upgrading to jQuery version 3.5.0 or later to mitigate the potential for exploitation.
CISA Reported
CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace
The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Version(s)
jQuery >= 1.0.3, < 3.5.0
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.
References
EPSS Score
11% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- 🦅
CISA Reported
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved