CVE-2021-24850: Insert Pages < 3.7.0 - Contributor+ Stored Cross-Site Scripting

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-17 · updated 2026-06-17
Weakness: CWE-79

Description

The Insert Pages WordPress plugin before 3.7.0 adds a shortcode that prints out other pages' content and custom fields. It can be used by users with a role as low as Contributor to perform Cross-Site Scripting attacks by storing the payload/s in another post's custom fields.

Affected products

Insert Pages: before 3.7.0 — fixed in 3.7.0

How to fix

Upgrade to a fixed version: Insert Pages 3.7.0. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/2d6f9be0-b9fd-48e5-bd68-94eeb3822c0a
https://wpscan.com/vulnerability/2d6f9be0-b9fd-48e5-bd68-94eeb3822c0a

Get alerted when CVE-2021-24850 or the next vulnerability affects your stack