Moodle up to 3.5.16/3.8.7/3.9.4/3.10.1 Feedback Answer cross site scripting

Summaryinfo

A vulnerability was found in Moodle up to 3.5.16/3.8.7/3.9.4/3.10.1. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component Feedback Answer Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2021-20280. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Moodle up to 3.5.16/3.8.7/3.9.4/3.10.1 (Learning Management Software). This issue affects an unknown code block of the component Feedback Answer Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The weakness was released 03/16/2021. The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2021-20280. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 3.5.17, 3.8.8, 3.9.5 or 3.10.2 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Learning Management Software

Name

• Moodle

Version

• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8
• 3.5.9
• 3.5.10
• 3.5.11
• 3.5.12
• 3.5.13
• 3.5.14
• 3.5.15
• 3.5.16
• 3.8.0
• 3.8.1
• 3.8.2
• 3.8.3
• 3.8.4
• 3.8.5
• 3.8.6
• 3.8.7
• 3.9.0
• 3.9.1
• 3.9.2
• 3.9.3
• 3.9.4
• 3.10.0
• 3.10.1

License

• open-source

Website

• Product: https://moodle.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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