CVE-2023-25459 MEDIUM

CVE-2023-25459: WordPress Post Snippets Plugin <= 4.0.2 is vulnerable to Cross Site Scripting (XSS)

Vendor Postsnippets

Product Post Snippets

Weakness CWE-79 · XSS

Published August 8, 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 Postsnippets Post Snippets plugin <= 4.0.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Post Snippets through version 4.0.2 contains a stored cross-site scripting (XSS) vulnerability. An authenticated user with high privileges can inject malicious scripts that execute in the browsers of other users viewing affected content. The vulnerability requires user interaction to trigger and can affect the confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view the affected content.

Potential impact on your site

04Site Impact

Authenticated admins or editors can inject scripts affecting other users' sessions, data, or site functionality.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or editor privileges and the victim must visit a page containing the injected script.

Key dates

06Disclosure timeline

August 8, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-25459 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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