Review reviewCritical

CVE-2026-16250

Personal QR Message

The Personal QR Message WordPress plugin through 1.0 does not restrict the file types that can be uploaded through an unauthenticated handler, allowing unauthenticated users to upload arbitrary executable PHP files that are directly reachable, leading to remote code execution.

CVSS
9.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.03
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 9.8

Vulnerability overview

The Personal QR Message WordPress plugin through 1.0 does not restrict the file types that can be uploaded through an unauthenticated handler, allowing unauthenticated users to upload arbitrary executable PHP files that are directly reachable, leading to remote code execution.

Affected product and versions

Product
Personal QR Message
Affected versions
<= 1.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Personal QR Message and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-434
CVE-2026-16250 — Personal QR Message | SECUFOCUS NOW