What is CVE-2020-9644?

CVE-2020-9644 is a medium-severity vulnerability in Adobe Experience Manager, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-06-12.

How severe is CVE-2020-9644?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Adobe Experience Manager

CVE-2020-9644

Adobe Experience Manager versions 6.5 and earlier have a cross-site scripting (stored) vulnerability. Successful exploitation could lead to arbitrary javascript execution in the browser.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-06-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.2th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Adobe Experience Manager — versions 6.5 and earlier versions
Adobe Experience Manager

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

helpx.adobe.com/security/products/experience-manager/apsb20-31.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9644?: CVE-2020-9644 is a medium-severity vulnerability in Adobe Experience Manager, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-06-12.
How severe is CVE-2020-9644?: Medium severity. CVSS v3 base score is 5.4 out of 10.