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CVE-2021-24488

MediumPublished

Post Grid < 2.1.8 - Reflected Cross-Site Scripting (XSS)

Published: Aug 2, 2021
Updated: Aug 3, 2024
Assigning CNA: WPScan
Evidence observed: Feb 2, 2022

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

11.2%

Moderate · next 30 days

Percentile: 95.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The slider import search feature and tab parameter of the Post Grid WordPress plugin before 2.1.8 settings are not properly sanitised before being output back in the pages, leading to Reflected Cross-Site Scripting issues

Sources

WordPress Plugin Post Grid 2.1.1 - Cross Site Scripting (XSS)Exploit
0xB9 · php · Feb 2, 2022

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