CVE-2021-21043: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

May 13, 2021 (updated December 13, 2021)

ACS Commons version 4.9.2 (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in version-compare and page-compare due to invalid JCR characters that are not handled correctly. An attacker could potentially exploit this vulnerability to inject malicious JavaScript content into vulnerable form fields and execute it within the context of the victim’s browser. Exploitation of this issue requires user interaction in order to be successful.

References

github.com/Adobe-Consulting-Services/acs-aem-commons/commit/14d769c86606c4ce9a93c47a19f87e1ad72788d6
github.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-f92j-qf46-p6vm
github.com/advisories/GHSA-7r83-w6r8-fh6w
nvd.nist.gov/vuln/detail/CVE-2021-21043

Detect and mitigate CVE-2021-21043 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →