Moodle Equation Editor cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Moodle and classified as problematic. Affected by this issue is some unknown functionality of the component Equation Editor. The manipulation results in cross site scripting. This vulnerability is reported as CVE-2024-33997. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Moodle (the affected version is unknown). Affected is an unknown code of the component Equation Editor. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

Additional sanitizing was required when opening the equation editor to prevent a stored XSS risk when editing another user's equation.

The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2024-33997 since 04/29/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 261120 (Linux Distros Unpatched Vulnerability : CVE-2024-33997), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.moodle.org.

The vulnerability is also documented in the vulnerability database at Tenable (261120). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 261120
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2024-33997

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.moodle.org

Timelineinfo

04/29/2024 🔍
05/21/2024 +22 days 🔍
05/21/2024 +0 days 🔍
09/04/2025 +471 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2024-33997 (🔍)
GCVE (CVE): GCVE-0-2024-33997
GCVE (VulDB): GCVE-100-265332

Entryinfo

Created: 05/21/2024 07:03
Updated: 09/04/2025 04:45
Changes: 05/21/2024 07:03 (52), 06/03/2024 16:59 (2), 03/29/2025 00:34 (4), 09/04/2025 04:45 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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