CVE-2024-43995 MEDIUM

CVE-2024-43995: WordPress Posterity theme <= 3.6 - Cross Site Scripting (XSS) vulnerability

Vendor Sonalsinha21
Product Posterity
Weakness CWE-79 · XSS
Published September 17, 2024
Last update April 28, 2026

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

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in sonalsinha21 Posterity allows Stored XSS.This issue affects Posterity: from n/a through 3.6.

Explanation of Vulnerability in Simple Terms

02Summary

Posterity versions 3.6 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level account access can craft a request that executes JavaScript in other users' browsers when they interact with affected content. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability.

What an attacker can do

03Attacker Capabilities

Inject and execute JavaScript in other users' browsers to steal session data, modify page content, or perform actions on their behalf.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts that compromise other users' accounts or data; site reputation and user trust at risk.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

September 17, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE