Cross-site scripting in Wagtail



Published: 2021-04-19
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-29434
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		wagtail
Web applications / CMS

Vendor Torchbox

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU52331

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-29434

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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