PatchTheCVECVE-2021-24400: The Edit Role functionality in the Display Users WordPress plugin through 2.0.0 had an `id` parameter which is
CVE-2021-24400 is a high-severity flaw (CVSS 7.2) affecting wp-display-users. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Edit Role functionality in the Display Users WordPress plugin through 2.0.0 had an `id` parameter which is not sanitised, escaped or validated before inserting to a SQL statement, leading to SQL injection.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 1.5% (top 26%) |
| CISA exploited list | No |
| Weakness | CWE-89 |
| Published | 2021-09-20 |
| 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-2021-24400?
wp-display-users: upgrade to newer than 2.0.0. Exact commands for each OS are on this page.
Is CVE-2021-24400 being exploited?
CVE-2021-24400 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-2021-24400 affect?
CVE-2021-24400 affects wp-display-users. Severity is high (CVSS 7.2). The Edit Role functionality in the Display Users WordPress plugin through 2.0.0 had an `id` parameter which is not sanitised, escaped or validated before inserting to a SQL statement, leading to SQL injection.
How urgent is CVE-2021-24400?
Priority 49/100. High severity; Public exploit reference