WordPress plugin
XLSXviewer 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
- Medium0
- Low0
All XLSXviewer vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High8.1 | Authenticated (Subscriber+) Arbitrary File Deletion ≤2.1.1No patch available | CVE-2025-23562 |
- High8.1Authenticated (Subscriber+) Arbitrary File Deletion
≤2.1.1No patch available
XLSXviewer: common questions
Does XLSXviewer have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in XLSXviewer: 1 high. At least one is not fixed in the latest version.
How do I check which version of XLSXviewer 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 XLSXviewer vulnerability?
CVE-2025-23562, published Jan 16, 2025: XLSXviewer <= 2.1.1 - Authenticated (Subscriber+) Arbitrary File Deletion. Severity: High (CVSS 8.1).
Is any XLSXviewer vulnerability listed in CISA KEV?
No. None of the known XLSXviewer vulnerabilities is currently listed in the CISA KEV catalog.