CVE-2023-49177 HIGH

CVE-2023-49177: WordPress which template file Plugin <= 4.9.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Gilles Dumas
Product which template file
Weakness CWE-79 · XSS
Published December 15, 2023
Last update April 28, 2026

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Gilles Dumas which template file allows Reflected XSS.This issue affects which template file: from n/a through 4.9.0.

Explanation of Vulnerability in Simple Terms

02Summary

The 'which template file' product through version 4.9.0 contains a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in a victim's browser when they visit an affected page. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers to steal data, deface content, or redirect users.

Potential impact on your site

04Site Impact

Visitors may have their sessions hijacked, credentials stolen, or see altered site content depending on the injected payload.

Conditions required to exploit

05Prerequisites

Victim must visit a page containing the attacker's malicious input; no authentication required.

Key dates

06Disclosure timeline

December 15, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE