Vulnary
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Critical· 9.3

CVE-2021-47933

WordPress MStore API 2.0.6 lets anyone upload files to the server without needing to log in. An attacker can upload a PHP file and run it, giving them full control over the site. This is a serious flaw that can be exploited by anyone on the internet.

publishedMay 10, 2026
last modifiedJul 25, 2026
sourcesNVD
severity · cvss
9.3
critical · how bad it is
exploitation · epss
<1%
45th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 7, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

WordPress sites that have the MStore API plugin version 2.0.6 installed.

02

Real-world impact

An attacker could upload malicious PHP code and execute it on the server, allowing them to steal data, deface the site, or use the server for other attacks.

03

Why this severity

The CVSS score of 9.3 reflects that the flaw is easy to exploit (no authentication needed), can be used to run arbitrary code, and would completely compromise confidentiality, integrity, and availability of the affected site.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

  1. May 10, 2026 · May 10, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 25, 2026 · 11d ago
    Advisory updated
    The NVD record was last revised.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsNone
Privileges requiredNone
User interactionNone needed
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →