WordPress plugin
H5P CSS Editor security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All H5P CSS Editor vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.1 | Reflected Cross-Site Scripting ≤1.0No patch available | CVE-2021-39318 |
- Medium6.1Reflected Cross-Site Scripting
≤1.0No patch available
H5P CSS Editor: common questions
Does H5P CSS Editor have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in H5P CSS Editor: 1 medium. At least one is not fixed in the latest version.
How do I check which version of H5P CSS Editor I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent H5P CSS Editor vulnerability?
CVE-2021-39318, published Dec 13, 2021: H5P CSS Editor <= 1.0 - Reflected Cross-Site Scripting. Severity: Medium (CVSS 6.1).
Is any H5P CSS Editor vulnerability listed in CISA KEV?
No. None of the known H5P CSS Editor vulnerabilities is currently listed in the CISA KEV catalog.