CVE-2023-30877 HIGH

CVE-2023-30877: WordPress XML for Google Merchant Center Plugin <= 3.0.1 is vulnerable to Cross Site Scripting (XSS)

Vendor Maxim Glazunov

Product XML for Google Merchant Center

Weakness CWE-79 · XSS

Published August 17, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Maxim Glazunov XML for Google Merchant Center plugin <= 3.0.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

XML for Google Merchant Center versions up to 3.0.1 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts. An attacker can craft a malicious link or page that, when visited by a site administrator, executes arbitrary JavaScript in their browser. This can lead to unauthorized actions, data theft, or further compromise of the WordPress site.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in an admin's browser session.

Potential impact on your site

04Site Impact

Attackers can steal admin session tokens, modify site content, or create backdoor accounts.

Conditions required to exploit

05Prerequisites

An admin must visit a malicious link or page crafted by the attacker.

Key dates

06Disclosure timeline

August 17, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-30877 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-2023-30877

CWE CWE-79

CVSS 7.1 / HIGH

Affected versions