CVE-2023-23999 MEDIUM

CVE-2023-23999: WordPress Google Analytics by Monster Insights Plugin <= 8.14.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Monsterinsights

Product MonsterInsights

Weakness CWE-79 · XSS

Published May 18, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in MonsterInsights plugin <= 8.14.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

MonsterInsights versions up to 8.14.0 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site visitors, potentially stealing session tokens or performing actions on their behalf. The vulnerability requires user interaction to trigger the payload.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view affected pages.

Potential impact on your site

04Site Impact

Authenticated attackers can compromise visitor sessions and perform unauthorized actions as those users.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account; victim must visit a page containing the injected payload.

Key dates

06Disclosure timeline

May 18, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-23999 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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