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Exploitation reportedNot in CISA KEV yet

CVE-2026-73996

WordPress Masteriyo - LMS plugin <= 2.3.2 - Arbitrary File Upload vulnerability

Exploitation reported by one source. First attested on 2026-11-05 by GCVE · previdian.

  • Published2026-08-18
  • WeaknessCWE-434

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Unrestricted Upload of File with Dangerous Type vulnerability in ThemeGrill Masteriyo - LMS learning-management-system allows Upload a Web Shell to a Web Server.This issue affects Masteriyo - LMS: from n/a through 2.3.2.

Timeline

dates in UTC
  1. 2026-08-1814:00CVE publishedCNA
  2. 2026-08-1815:17CVE publishedNVD
  3. 2026-11-0508:30Exploitation first reportedGCVE
  4. 2026-11-0508:30Listed as exploited by GCVEGCVE

Versions per branch

Products declared by the CNA

As Patchstack, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • ThemeGrill Masteriyo - LMSother versions: not affected

    package learning-management-systemhttps://wordpress.org/plugins

    Affected
    • ≤ 2.3.2fixed in 2.3.3custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-05

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-73996 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-08-18
Last Modified
2026-11-05
NVD status
Deferred
GitHub Advisory
GHSA-fx45-fhx5-jf9p

Frequently asked questions

What is CVE-2026-73996?

Unrestricted Upload of File with Dangerous Type vulnerability in ThemeGrill Masteriyo - LMS learning-management-system allows Upload a Web Shell to a Web Server.This issue affects Masteriyo - LMS: from n/a through 2.3.2.

Is CVE-2026-73996 actively exploited?

Active exploitation of CVE-2026-73996 has not been confirmed. Its EPSS score was 0.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-73996?

CVE-2026-73996 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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