4.3
MEDIUM CVSS 3.1
CVE-2026-12273
Tutor LMS < 3.9.13 - Subscriber+ Arbitrary Auto-Approved Comment Creation
Description

The Tutor LMS WordPress plugin before 3.9.13 does not perform any authorization or post-target validation before creating a comment in one of its handlers, and stores the comment pre-approved, allowing authenticated users with subscriber-level access and above to post auto-approved comments containing arbitrary HTML and links on any content across the site, bypassing the comment moderation queue.

INFO

Published Date :

July 13, 2026, 7:16 a.m.

Last Modified :

July 13, 2026, 6:05 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-12273 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Themeum tutor_lms
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update Tutor LMS WordPress plugin to version 3.9.13 or later to fix an authorization bypass.
  • Update the Tutor LMS WordPress plugin to version 3.9.13.
  • Verify comment moderation settings are correctly configured.
  • Review existing comments for unauthorized content.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-12273.

URL Resource
https://wpscan.com/vulnerability/93031a51-fd53-48a0-a420-0024bbdaf45b/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-12273 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-12273 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-12273 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-12273 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 13, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
    Added SSVC {'id': 'CVE-2026-12273', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-13T15:50:53.687432Z'}
  • New CVE Received by [email protected]

    Jul. 13, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Unknown', 'product': 'Tutor LMS', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '3.9.13', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}]
    Added Description The Tutor LMS WordPress plugin before 3.9.13 does not perform any authorization or post-target validation before creating a comment in one of its handlers, and stores the comment pre-approved, allowing authenticated users with subscriber-level access and above to post auto-approved comments containing arbitrary HTML and links on any content across the site, bypassing the comment moderation queue.
    Added Reference https://wpscan.com/vulnerability/93031a51-fd53-48a0-a420-0024bbdaf45b/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.