Nifty Newsletters <= 4.0.23 – Cross-Site Request Forgery to Stored Cross-Site Scripting

2021-07-31 00:00

Kohei Hino, Cryptography Laboratory in Tokyo Denki University

Strategic Overview

Status

Unpatched

Affected PluginNifty Newsletters (Formerly Sola Newsletters)

Affected Version<= 4.0.23

CVSS8.8High

CVECVE-2021-34634

View all Nifty Newsletters (Formerly Sola Newsletters) vulnerabilities

Vulnerability Overview

The Nifty Newsletters WordPress plugin is vulnerable to Cross-Site Request Forgery via the sola_nl_wp_head function found in the ~/sola-newsletters.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 4.0.23.

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-2021-34634 https://www.wordfence.com/threat-intel/vulnerabilities/id/ffcc85a1-fc79-4bc6-b50e-c87988d4cad3

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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