CVE-2023-34173 MEDIUM

CVE-2023-34173: WordPress Yandex Metrica Counter Plugin <= 1.4.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Alexander Semikashev

Product Yandex Metrica Counter

Weakness CWE-79 · XSS

Published August 30, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.9/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Alexander Semikashev Yandex Metrica Counter plugin <= 1.4.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Yandex Metrica Counter versions up to 1.4.3 contain a cross-site scripting (XSS) vulnerability. An authenticated administrator can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and affects the integrity and confidentiality of site data. Update to a version newer than 1.4.3.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Administrators can be tricked into executing malicious scripts that compromise site security and user data.

Conditions required to exploit

05Prerequisites

Attacker must have administrator privileges and the victim must visit an affected page.

Key dates

06Disclosure timeline

August 30, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-34173 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities

Identifiers

CVE CVE-2023-34173

CWE CWE-79

CVSS 5.9 / MEDIUM

Affected versions