Moodle Algebra Filter 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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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Moodle. Affected by this issue is some unknown functionality of the component Algebra Filter. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2023-28332. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Moodle (Learning Management Software) (affected version not known). This affects some unknown functionality of the component Algebra Filter. 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. The summary by CVE is:

If the algebra filter was enabled but not functional (eg the necessary binaries were missing from the server), it presented an XSS risk.

The weakness was published 03/24/2023. The advisory is shared at moodle.org. This vulnerability is uniquely identified as CVE-2023-28332 since 03/14/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/14/2023). MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 6.1
NVD Vector: 🔍

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/14/2023 🔍
03/24/2023 +10 days 🔍
03/24/2023 +0 days 🔍
04/14/2023 +21 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: FEDORA-2023-d9c13996b2
Status: Confirmed

CVE: CVE-2023-28332 (🔍)
GCVE (CVE): GCVE-0-2023-28332
GCVE (VulDB): GCVE-100-223785

Entryinfo

Created: 03/24/2023 07:39
Updated: 04/14/2023 06:52
Changes: 03/24/2023 07:39 (37), 04/14/2023 06:39 (1), 04/14/2023 06:52 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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