CVE-2023-45108 MEDIUM

CVE-2023-45108: WordPress Mailrelay Plugin <= 2.1.1 is vulnerable to Cross Site Request Forgery (CSRF)

Vendor Mailrelay

Product Mailrelay

Weakness CWE-352 · CSRF

Published October 13, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

4.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Cross-Site Request Forgery (CSRF) vulnerability in Mailrelay plugin <= 2.1.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Mailrelay versions up to 2.1.1 are vulnerable to cross-site request forgery (CSRF) attacks. An attacker can craft a malicious webpage that, when visited by a logged-in Mailrelay user, performs unwanted actions on their account without their knowledge. The vulnerability requires user interaction—the victim must visit the attacker's page while authenticated to Mailrelay. This can result in unauthorized changes to account settings or data.

What an attacker can do

03Attacker Capabilities

Perform unwanted actions on a user's Mailrelay account by tricking them into visiting a malicious webpage.

Potential impact on your site

04Site Impact

Users' Mailrelay accounts can be compromised without their knowledge if they visit untrusted sites while logged in.

Conditions required to exploit

05Prerequisites

Victim must be logged into Mailrelay and visit an attacker-controlled webpage.

Key dates

06Disclosure timeline

October 13, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-45108 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/352.html AskarLabs — CWE-352 write-up Cross-Site Request Forgery

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