CVE-2022-28820 Adobe Consulting Services Reflected Cross-Site Scripting Arbitrary Code Execution
Attackers can execute arbitrary JavaScript in AEM Author users' browsers via reflected XSS in ACS Commons, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-28820?
CVE-2022-28820 is a medium-severity cross-site scripting vulnerability in Adobe Experience Manager, published on 21 Apr 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2022-28820?
2 open source packages ship an affected version, including com.adobe.acs:acs-aem-commons. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.adobe.acs:acs-aem-commons Maven | All versions | 5.2.0 |
com.adobe.acs:acs-aem-commons Maven | All versions | 5.2.0 |
Products include Adobe Acs Aem Commons.
How do I fix CVE-2022-28820?
Upgrade com.adobe.acs:acs-aem-commons to 5.2.0 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-28820 being exploited?
There is no known exploitation of CVE-2022-28820 in the wild and no public exploit code.
Sources
Also known as CVE-2022-24874, GHSA-w5m2-299g-rff5.