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Vulnerability record · CVE-2023-3992 · published 30 August 2023

CVE-2023-3992: Wpxpo postx vulnerability

Wpxpo · Postx

The PostX WordPress plugin before 3.0.6 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

6.1 CVSS 3.1 Medium EPSS 0.49% · top 60.1%
6.1CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The PostX WordPress plugin before 3.0.6 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wpscan.com/vulnerability/c43b669f-0377-4402-833c-817b75001888 ExploitThird Party Advisory
https://wpscan.com/vulnerability/c43b669f-0377-4402-833c-817b75001888 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2024-10728Wpxpo postx missing authorization vulnerabilityThe Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized plugin installation/activation du…EPSS 38%8.8CVE-2024-31246Wpxpo postx missing authorization vulnerabilityMissing Authorization vulnerability in WPXPO PostX ultimate-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue a…EPSS 0.34%6.8CVE-2024-4305Wpxpo postx cross-site scripting vulnerabilityThe Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.1.0 does not validate and escape some of its block options before …EPSS 0.43%6.1CVE-2023-36385Wpxpo postx cross-site scripting vulnerabilityUnauth. Reflected Cross-Site Scripting (XSS) vulnerability in wpxpo PostX – Gutenberg Post Grid Blocks plugin <= 2.9.9 versions.EPSS 0.41%5.4CVE-2024-50443Wpxpo postx cross-site scripting vulnerabilityImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPXPO PostX ultimate-post.This issue affects Po…EPSS 0.26%5.4CVE-2024-3239Wpxpo postx cross-site scripting vulnerabilityThe Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.0.2 does not validate and escape some of its block options before …EPSS 0.42%

Source: NIST National Vulnerability Database (record CVE-2023-3992), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.