Medium severity6.1NVD Advisory· Published Feb 2, 2021· Updated Jun 17, 2026
CVE-2021-21043
CVE-2021-21043
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
com.adobe.acs:acs-aem-commonsMaven | < 4.10.0 | 4.10.0 |
Affected products
3- cpe:2.3:a:adobe:adobe_consulting_services_commons:*:*:*:*:*:*:*:*Range: <=4.9.2
- Range: unspecified
Patches
Vulnerability mechanics
References
5- github.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-f92j-qf46-p6vmnvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-7r83-w6r8-fh6wghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21043ghsaADVISORY
- github.com/Adobe-Consulting-Services/acs-aem-commons/commit/14d769c86606c4ce9a93c47a19f87e1ad72788d6ghsaWEB
- helpx.adobe.com/security/products/indesign/apsb21-22.htmlghsaWEB
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