WordPress plugin

H5P CSS Editor security & vulnerabilities

Q: 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.

h5p-css-editor— active installsLast vulnerability Dec 13, 2021

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.

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1Known vulnerabilities

Critical0
High0
Medium1
Low0

Vulnerabilities per year

All H5P CSS Editor vulnerabilities

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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.