CVE Tools
Track your stack

CVE-2020-9732

Stored XSS in AEM Sites Components

No known exploitation. EPSS puts it in the 86th percentile. A vendor fix is available.

CVSS 3.19.0CriticalEPSS percentile86th2.8% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFixVendor fixNo build named by the sources

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

  • Adobe Experience ManagerAffected: ≥ unspecified, ≤ Forms SP5 add-on for AEM 6.5.5.0Upgrade to: after Forms SP5 add-on for AEM 6.5.5.0Affected: ≥ unspecified, ≤ Forms SP8 add-on for AEM 6.4.8.1Upgrade to: after Forms SP8 add-on for AEM 6.4.8.1Affected: ≥ unspecified, ≤ NoneUpgrade to: after NoneStated by: CVE record
  • Adobe Systems Inc. Adobe Experience Manager Forms add-onAffected: SP8-CFP1 для AEM 6.4.8.1Upgrade to: not statedStated by: BDU

Versions as the sources state them. Full version matrix after sign-in

Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

The AEM Forms add-on for versions 6.5.5.0 (and below) and 6.4.8.2 (and below) are affected by a stored XSS vulnerability that allows users with 'Author' privileges to store malicious scripts in fields associated with the Sites component. These scripts may be executed in a victim’s browser when they open the page containing the vulnerable field.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS86th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

2.8% chance of exploitation activity in the next 30 days, which ranks it in the 86th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 1533 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified, att&ck mapped

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Scored 9.0 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Experience Manager, not every advisory.