CVE-2022-28820: Adobe Consulting Services Reflected Cross-Site Scripting Arbitrary Code Execution

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-21 · updated 2026-06-17
Weakness: CWE-79

Description

ACS Commons version 5.1.x (and earlier) suffers from a Reflected Cross-site Scripting (XSS) vulnerability in /apps/acs-commons/content/page-compare.html endpoint via the a and b GET parameters. User input submitted via these parameters is not validated or sanitised. An attacker must provide a link to someone with access to AEM Author, and 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. The exploitation of this issue requires user interaction in order to be successful.

Affected products

Adobe Acs Aem Commons: before 5.2.0 — fixed in 5.2.0

How to fix

Upgrade to a fixed version: Adobe Acs Aem Commons 5.2.0. Check the vendor advisory for mitigations.

References

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