Bitwarden Vaultwarden 1.30.3 Content Security Policy cross site scripting

Summaryinfo

A vulnerability identified as problematic has been detected in Bitwarden Vaultwarden 1.30.3. Affected by this vulnerability is an unknown functionality of the component Content Security Policy Handler. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2024-39926. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Bitwarden Vaultwarden 1.30.3 and classified as problematic. This issue affects some unknown functionality of the component Content Security Policy 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 summary by CVE is:

An issue was discovered in Vaultwarden (formerly Bitwarden_RS) 1.30.3. A stored cross-site scripting (XSS) or, due to the default CSP, HTML injection vulnerability has been discovered in the admin dashboard. This potentially allows an authenticated attacker to inject malicious code into the dashboard, which is then executed or rendered in the context of an administrator's browser when viewing the injected content. However, it is important to note that the default Content Security Policy (CSP) of the application blocks most exploitation paths, significantly mitigating the potential impact.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-39926 since 07/03/2024. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation requires an enhanced level of successful authentication. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-38305). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Bitwarden

Name

• Vaultwarden

Version

• 1.30.3

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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