CVE-2021-21084

Adobe Experience Manager stored cross-site scripting vulnerability in resource resolver factory could lead to arbitrary code execution

Description

AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.

References

Link	Tags
https://helpx.adobe.com/security/products/experience-manager/apsb21-15.html	release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-21084?: CVE-2021-21084 has been scored as a high severity vulnerability.
How to fix CVE-2021-21084?: To fix CVE-2021-21084, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21084 being actively exploited in the wild?: It is possible that CVE-2021-21084 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21084?: CVE-2021-21084 affects Adobe Experience Manager.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Category

CWE-79 – Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Frequently Asked Questions