Vulnerability identifier: #VU52331

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-29434

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
wagtail
Web applications / CMS

Vendor: Torchbox

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in rich text fields. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

wagtail: 2.11 - 2.12.3

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CPE

• cpe:2.3:a:torchbox:wagtail:2.11.6:*:*:*:*:django:*:*

External links
http://github.com/wagtail/wagtail/releases/tag/v2.11.7
http://github.com/wagtail/wagtail/releases/tag/v2.12.4

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?