Easy Registration Forms <= 2.1.1 - Cross-Site Request Forgery to Stored Cross-Site Scripting

2021-11-18 16:42

Thinkland Security Team

Strategic Overview

Status

Unpatched

Affected PluginEasy Registration Forms

Affected Version<= 2.1.1

CVSS8.8High

CVECVE-2021-39353

View all Easy Registration Forms vulnerabilities

Vulnerability Overview

The Easy Registration Forms WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the ajax_add_form function found in the ~/includes/class-form.php file which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 2.1.1.

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-2021-39353 https://www.wordfence.com/threat-intel/vulnerabilities/id/0d794052-1ba2-4772-bc15-5d9732e015e1

CVSS Vector

8.8

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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