WordPress plugin
UX Flat 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
- High1
- Medium1
- Low0
All UX Flat vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤5.4.0No patch available | CVE-2026-24576 | |
| High7.4 | Authenticated(Contributor+) Stored Cross-Site Scripting via Shortcode ≤4.4Update to 4.5 | CVE-2024-2459 |
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤5.4.0No patch available
- High7.4Authenticated(Contributor+) Stored Cross-Site Scripting via Shortcode
≤4.4Update to 4.5
UX Flat: common questions
Does UX Flat have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in UX Flat: 1 high, 1 medium. At least one is not fixed in the latest version.
How do I check which version of UX Flat 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 UX Flat vulnerability?
CVE-2026-24576, published Jan 20, 2026: UX Flat <= 5.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any UX Flat vulnerability listed in CISA KEV?
No. None of the known UX Flat vulnerabilities is currently listed in the CISA KEV catalog.