CVE-2020-11023: JQuery Cross-Site Scripting (XSS) Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

JQuery contains a persistent cross-site scripting (XSS) vulnerability. When passing maliciously formed, untrusted input enclosed in HTML tags, JQuery's DOM manipulators can execute untrusted code in the context of the user's browser.

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/jquery/jquery/security/advisories/GHSA-jpcq-cgw6-v4j6 ; https://blog.jquery.com/2020/04/10/jquery-3-5-0-released/ ; https://nvd.nist.gov/vuln/detail/CVE-2020-11023

Weakness behind it

CISA records this vulnerability as an instance of CWE-79. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-11023
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog