vulnerability
WordPress Plugin: display-post-metadata: CVE-2021-24855: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:M/Au:S/C:N/I:P/A:N) | Nov 15, 2021 | May 15, 2025 | Apr 30, 2026 |
Severity
3
CVSS
(AV:N/AC:M/Au:S/C:N/I:P/A:N)
Published
Nov 15, 2021
Added
May 15, 2025
Modified
Apr 30, 2026
Description
The Display Post Metadata for WordPress is vulnerable to Stored Cross-Site Scripting via the 'custom_fields’ parameter in versions up to, and including, 1.4.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers as low as contributor level roles to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Solution
display-post-metadata-plugin-cve-2021-24855
References
Rapid7 Labs
2026 Global Threat Landscape Report
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