BigContact <= 1.5.8 - Cross-Site Request Forgery leading to Plugin Settings Updates

2023-03-21 00:00

Kévin Mosbahi (Mika)

Strategic Overview

Status

Unpatched

Affected PluginBigContact Contact Page

Affected Version<= 1.5.8

CVSS4.3Medium

CVECVE-2023-22694

View all BigContact Contact Page vulnerabilities

Vulnerability Overview

The BigContact plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.5.8. This is due to missing or incorrect nonce validation in the 'functions.php' and 'saveForm.php' files. This makes it possible for unauthenticated attackers to submit forms and make plugin settings updates via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-352 (Cross-Site Request Forgery (CSRF)) The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.

External References

https://www.cve.org/CVERecord?id=CVE-2023-22694 https://www.wordfence.com/threat-intel/vulnerabilities/id/b0403adb-08c4-4697-a7d9-50e39d46cd43

CVSS Vector

4.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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