Vulnerability · Published Feb 2, 2021 · Assigned by adobe
CVE-2021-21043Reflected Cross-site Scripting (XSS) on version-compare and page-compare tools
Medium 6.1
In plain English
A medium-severity cross-site scripting in Experience Manager from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | com.adobe.acs:acs-aem-commons | 4.10.0 | GHSA-7r83-w6r8-fh6w |
| Maven | com.adobe.acs:acs-aem-commons | 4.10.0 | GHSA-f92j-qf46-p6vm |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Experience Manager | unspecified – through 4.9.2unspecified – through None |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N