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.
Remediation
References
https://github.com/Adobe-Consulting-Services/acs-aem-commons/security/advisories/GHSA-w5m2-299g-rff5
Related Vulnerabilities
CVE-2021-46365 Vulnerability in maven package info.magnolia:magnolia-core
CVE-2018-25077 Vulnerability in npm package mel-spintax
CVE-2020-36189 Vulnerability in maven package com.fasterxml.jackson.core:jackson-databind
CVE-2015-7940 Vulnerability in maven package org.bouncycastle:bcprov-jdk15
CVE-2022-25845 Vulnerability in maven package com.alibaba:fastjson