CVE-2021-24855: Display Post Metadata < 1.5.0 - 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: 2021-12-13 · updated 2026-06-17
Weakness: CWE-79

Description

The Display Post Metadata WordPress plugin before 1.5.0 adds a shortcode to print out custom fields, however their content is not sanitised or escaped which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks

Affected products

Display Post Metadata: before 1.5.0 — fixed in 1.5.0

How to fix

Upgrade to a fixed version: Display Post Metadata 1.5.0. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/49328498-d3a0-4d27-8a52-24054b5e42f3
https://wpscan.com/vulnerability/49328498-d3a0-4d27-8a52-24054b5e42f3

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