CVE-2023-45750 HIGH

CVE-2023-45750: WordPress Nexter Extension Plugin <= 2.0.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Posimyth

Product Nexter Extension

Weakness CWE-79 · XSS

Published October 24, 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 POSIMYTH Nexter Extension plugin <= 2.0.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Nexter Extension through version 2.0.3 contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts. An attacker can craft a malicious link that, when visited by a site user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability affects all users of the extension up to and including version 2.0.3.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in users' browsers to steal sessions, credentials, or deface content.

Potential impact on your site

04Site Impact

Site visitors can be compromised; attackers may steal admin sessions or user data without your knowledge.

Conditions required to exploit

05Prerequisites

A site user must visit an attacker-crafted link; no authentication or special privileges required.

Key dates

06Disclosure timeline

October 24, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-45750 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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