Improper input validation in Backdrop CMS Form API



Published: 2022-02-16 | Updated: 2022-02-17
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-25271
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Backdrop CMS
Web applications / CMS

Vendor Backdrop CMS

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU60672

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-25271

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the web application.

The vulnerability exists due to insufficient validation of user-supplied input within the form API. A remote attacker can send specially crafted input to the Drupal core's form API and inject or overwrite data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Backdrop CMS: 1.19.0 - 1.21.1

External links

http://backdropcms.org/security/backdrop-sa-core-2022-001


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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