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 !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 
Solution
- 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