Moodle 4.3 index.php searchvalue cross site scripting ⚔ [Disputed]

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Moodle 4.3. Impacted is an unknown function of the file /grade/report/grader/index.php. The manipulation of the argument searchvalue leads to cross site scripting. This vulnerability is traded as CVE-2023-46858. It is possible to initiate the attack remotely. There is no exploit available. The real existence of this vulnerability is still doubted at the moment.

Detailsinfo

A vulnerability was found in Moodle 4.3 (Learning Management Software). It has been rated as problematic. This issue affects some unknown processing of the file /grade/report/grader/index.php. The manipulation of the argument searchvalue with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."

The weakness was shared 10/29/2023. The advisory is shared at docs.moodle.org. The identification of this vulnerability is CVE-2023-46858 since 10/29/2023. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/03/2024). MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The real existence of this vulnerability is still doubted at the moment. By approaching the search of inurl:grade/report/grader/index.php it is possible to find vulnerable targets with Google Hacking.

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

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

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

NVD Base Score: 5.4
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
Google Hack: 🔍

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

10/29/2023 🔍
10/29/2023 +0 days 🔍
10/29/2023 +0 days 🔍
04/21/2025 +540 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: 175277
Status: Confirmed
Disputed: 🔍

CVE: CVE-2023-46858 (🔍)
GCVE (CVE): GCVE-0-2023-46858
GCVE (VulDB): GCVE-100-243809

Entryinfo

Created: 10/29/2023 07:29
Updated: 04/21/2025 08:12
Changes: 10/29/2023 07:29 (39), 11/19/2023 16:12 (1), 11/19/2023 16:19 (11), 06/29/2024 04:21 (15), 08/03/2024 00:17 (2), 04/21/2025 08:12 (4)
Complete: 🔍
Cache ID: 216::103

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

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