PatchTheCVECVE-2021-24855: The Display Post Metadata WordPress plugin before 1.5.0 adds a shortcode to print out custom fields, however t
CVE-2021-24855 is a medium-severity flaw (CVSS 5.4) affecting display post metadata. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 50%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-12-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-24855?
display post metadata: upgrade to 1.5.0. Exact commands for each OS are on this page.
Is CVE-2021-24855 being exploited?
CVE-2021-24855 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-24855 affect?
CVE-2021-24855 affects display post metadata. Severity is medium (CVSS 5.4). 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
How urgent is CVE-2021-24855?
Priority 36/100. Public exploit reference