WordPress plugin
WebP Express security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 4 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical0
- High2
- Medium2
- Low0
All WebP Express vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤0.25.15Update to 0.25.16 | CVE-2026-97328 | |
| Medium5.3 | Unauthenticated Information Exposure ≤0.25.9Update to 0.25.11 | CVE-2025-11379 | |
| Medium5.4 | Authenticated Stored Cross-Site Scripting <0.14.11Update to 0.14.11 | CVE-2019-15837 | |
| High7.5 | Arbitrary File Read <0.14.11Update to 0.14.11 | CVE-2019-15330 |
- High7.2Unauthenticated Stored Cross-Site Scripting
≤0.25.15Update to 0.25.16
- Medium5.3Unauthenticated Information Exposure
≤0.25.9Update to 0.25.11
- Medium5.4Authenticated Stored Cross-Site Scripting
<0.14.11Update to 0.14.11
- High7.5Arbitrary File Read
<0.14.11Update to 0.14.11
WebP Express: common questions
Does WebP Express have known vulnerabilities?
Yes. VulnCrest Radar lists 4 known vulnerabilities in WebP Express: 2 high, 2 medium. None are known to affect version null.
How do I check which version of WebP Express 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 WebP Express vulnerability?
CVE-2026-97328, published Oct 20, 2026: WebP Express <= 0.25.15 - Unauthenticated Stored Cross-Site Scripting. Severity: High (CVSS 7.2).
Is any WebP Express vulnerability listed in CISA KEV?
No. None of the known WebP Express vulnerabilities is currently listed in the CISA KEV catalog.