6.5
MEDIUM CVSS 3.1
CVE-2022-45133
Mahara XML Font Font Traversal Code Execution Vulnerability
Description

Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 allows unsafe font upload for skins. A particularly structured XML file could allow one to traverse the server to obtain access to secure files or cause code execution based on the payload.

INFO

Published Date :

Aug. 22, 2025, 9:15 p.m.

Last Modified :

Sept. 5, 2025, 5:07 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2022-45133 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 Mahara mahara
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 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update Mahara to mitigate unsafe font upload and potential file access or code execution.
  • Update Mahara to the latest secure version.
  • Avoid uploading user-provided skins if possible.
  • Validate uploaded font files thoroughly.
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-2022-45133.

URL Resource
https://bugs.launchpad.net/mahara/+bug/1995819 Issue Tracking Vendor Advisory
https://mahara.org/interaction/forum/topic.php?id=9353 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-45133 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-2022-45133 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-2022-45133 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-45133 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.

  • Initial Analysis by [email protected]

    Sep. 05, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:* versions from (including) 22.04.0 up to (excluding) 22.04.4 *cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:* versions from (including) 22.10.0 up to (excluding) 22.10.1 *cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:* versions from (including) 21.10.0 up to (excluding) 21.10.6
    Added Reference Type MITRE: https://bugs.launchpad.net/mahara/+bug/1995819 Types: Issue Tracking, Vendor Advisory
    Added Reference Type MITRE: https://mahara.org/interaction/forum/topic.php?id=9353 Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 25, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
    Added CWE CWE-26
  • New CVE Received by [email protected]

    Aug. 22, 2025

    Action Type Old Value New Value
    Added Description Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 allows unsafe font upload for skins. A particularly structured XML file could allow one to traverse the server to obtain access to secure files or cause code execution based on the payload.
    Added Reference https://bugs.launchpad.net/mahara/+bug/1995819
    Added Reference https://mahara.org/interaction/forum/topic.php?id=9353
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.
Vulnerability Scoring Details
Base CVSS Score: 6.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact