WordPress plugin

Flattr security & vulnerabilities

Q: Is any Flattr vulnerability listed in CISA KEV?

No. None of the known Flattr vulnerabilities is currently listed in the CISA KEV catalog.

flattr— active installsLast vulnerability May 2, 2024

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

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High0
Medium1
Low0

Vulnerabilities per year

All Flattr vulnerabilities

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Flattr: common questions

Does Flattr have known vulnerabilities?

Yes. VulnCrest Radar lists 1 known vulnerability in Flattr: 1 medium. At least one is not fixed in the latest version.

How do I check which version of Flattr 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 Flattr vulnerability?

CVE-2024-3920, published May 2, 2024: Flattr <= 1.2.2 - Authenticated (Admin+) Stored Cross-Site Scripting. Severity: Medium (CVSS 4.4).

Is any Flattr vulnerability listed in CISA KEV?

No. None of the known Flattr vulnerabilities is currently listed in the CISA KEV catalog.