CVE-2021-21043
Reflected Cross-site Scripting (XSS) in ACS Commons
6.1
MEDIUM
CVSS 3.1
EPSS 0.98%
Description
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.
How to fix CVE-2021-21043
To remediate CVE-2021-21043, upgrade the affected package to a fixed version below.
- —upgrade to 4.10.0 or later
Is CVE-2021-21043 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.10.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References (5)
- ADVISORYnvd.nist.gov/vuln/detail/CVE-2021-21043
- PATCHgithub.com/Adobe-Consulting-Services/acs-aem-commons
- WEBgithub.com/Adobe-Consulting-Services/acs-aem-commons/commit/14d769c86606c4ce9a93c47a19f87e1ad72788d6
- WEBgithub.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-f92j-qf46-p6vm