CVE-2020-9644Network attack vector

Browser JavaScript execution via stored cross-site scripting

Published Jun 12, 2020 · Updated Aug 4, 2024

Stored cross-site scripting in Adobe Experience Manager 6.5 and earlier allows remote authenticated users to execute JavaScript in a browser. Adobe has not published the affected component, persistent input, or missing output-encoding operation that permits script storage. Exploitation requires low-privileged access and subsequent interaction by a user whose browser renders the stored content.

CVSS severity5.4
Medium
EPSS probability1.76%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored cross-site scripting in Adobe Experience Manager 6.5 and earlier allows remote authenticated users to execute JavaScript in a browser. Adobe has not published the affected component, persistent input, or missing output-encoding operation that permits script storage. Exploitation requires low-privileged access and subsequent interaction by a user whose browser renders the stored content.

The record

CVE
CVE-2020-9644
Published
Jun 12, 2020
Updated
Aug 4, 2024
Vendor
Adobe
Product
Adobe Experience Manager
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 12, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.5 and earlier versions

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Adobe · Adobe Experience Managerversion=6.5 and earlier versions

Published CVSS scores

3.5NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo