TYPO3 up to 9.5.16/10.4.1 Link Tag Attribute cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

A vulnerability classified as problematic has been found in TYPO3 up to 9.5.16/10.4.1 (Content Management System). This affects an unknown code of the component Link Tag Handler. The manipulation as part of a Attribute leads to a cross site scripting vulnerability. 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:

In TYPO3 CMS greater than or equal to 9.5.12 and less than 9.5.17, and greater than or equal to 10.2.0 and less than 10.4.2, it has been discovered that link tags generated by typolink functionality are vulnerable to cross-site scripting; properties being assigned as HTML attributes have not been parsed correctly. This has been fixed in 9.5.17 and 10.4.2.

The weakness was disclosed 05/13/2020 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-11065 since 03/30/2020. It is possible to initiate the attack remotely. A authentication is needed for exploitation. 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 9.5.17 or 10.4.2 eliminates this vulnerability.

The entries 155186 and 155185 are pretty similar.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.1
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TYPO3 9.5.17/10.4.2

Timelineinfo

03/30/2020 🔍
05/13/2020 +44 days 🔍
05/14/2020 +1 days 🔍
10/17/2020 +156 days 🔍

Sourcesinfo

Product: typo3.org

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-11065 (🔍)
See also: 🔍

Entryinfo

Created: 05/14/2020 08:11
Updated: 10/17/2020 15:52
Changes: 05/14/2020 08:11 (40), 05/14/2020 08:16 (12), 10/17/2020 15:49 (1), 10/17/2020 15:52 (1)
Complete: 🔍

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