What is CVE-2020-9740?

CVE-2020-9740 is a critical-severity vulnerability in Adobe Experience Manager, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2020-09-10.

How severe is CVE-2020-9740?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Is CVE-2020-9740 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Adobe Experience Manager

CVE-2020-9740

AEM versions 6.5.5.0 (and below), 6.4.8.1 (and below), 6.3.3.8 (and below) and 6.2 SP1-CFP20 (and below) are affected by a stored XSS vulnerability that allows users with 'Author' privileges to store malicious scripts in fields associated…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (65.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Adobe Experience Manager — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

helpx.adobe.com/security/products/experience-manager/apsb20-56.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-9740?: CVE-2020-9740 is a critical-severity vulnerability in Adobe Experience Manager, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2020-09-10.
How severe is CVE-2020-9740?: Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2020-9740 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.