Adobe Experience Manager up to 6.2 SP1-CFP20/6.3.3.8/6.4.8.1/6.5.5.0 Stored cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Adobe Experience Manager up to 6.2 SP1-CFP20/6.3.3.8/6.4.8.1/6.5.5.0. The impacted element is an unknown function. Performing a manipulation results in cross site scripting (Stored). This vulnerability is reported as CVE-2020-9736. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Experience Manager up to 6.2 SP1-CFP20/6.3.3.8/6.4.8.1/6.5.5.0 (Content Management System). It has been classified as problematic. This affects some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability (Stored). CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

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 access to the Content Repository Development Environment to store malicious scripts in certain node fields. These scripts may be executed in a victim’s browser when browsing to the page containing the vulnerable field.

The weakness was disclosed 09/08/2020 as APSB20-56 as confirmed security bulletin (Website). It is possible to read the advisory at helpx.adobe.com. The public release has been coordinated in cooperation with Adobe. This vulnerability is uniquely identified as CVE-2020-9736. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 6.4.8.2 or 6.5.6.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Further details are available at blogs.adobe.com. The entries VDB-160816, VDB-160817, VDB-160818 and VDB-160819 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Adobe

Name

• Experience Manager

Version

• 6.2 SP1-CFP20
• 6.3.3.0
• 6.3.3.1
• 6.3.3.2
• 6.3.3.3
• 6.3.3.4
• 6.3.3.5
• 6.3.3.6
• 6.3.3.7
• 6.3.3.8
• 6.4.8.0
• 6.4.8.1
• 6.5.0
• 6.5.1
• 6.5.2
• 6.5.3
• 6.5.4
• 6.5.5.0

License

• commercial

Website

• Vendor: https://www.adobe.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion