Vulnerability identifier: #VU74353

Vulnerability risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28836

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 the ModelAdmin views. A remote user can inject 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 update from vendor's website.

Vulnerable software versions

wagtail: 4.0 - 4.2.1

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External links
http://github.com/wagtail/wagtail/releases/tag/v4.2.2
http://docs.wagtail.org/en/stable/reference/contrib/modeladmin/chooseparentview.html#customising-chooseparentview
http://github.com/wagtail/wagtail/security/advisories/GHSA-5286-f2rf-35c2
http://docs.wagtail.org/en/stable/reference/contrib/modeladmin/inspectview.html#enabling-customising-inspectview
http://github.com/wagtail/wagtail/commit/eefc3381d37b476791610e5d30594fae443f33af
http://github.com/wagtail/wagtail/commit/bc84bf9815610cfbf8db3b6050c7ddcbaa4b9713
http://github.com/wagtail/wagtail/commit/5be2b1ed55fd7259dfdf2c82e7701dba407b8b62
http://github.com/wagtail/wagtail/commit/ff806ab173a504395fdfb3139eb0a29444ab4b91

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.