w3c Unicorn ValidatorNuMessage.java ValidatorNuMessage 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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4.3$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in w3c Unicorn (unknown version). This issue affects the function ValidatorNuMessage of the file src/org/w3c/unicorn/response/impl/ValidatorNuMessage.java. The manipulation of the argument message 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 weakness was shared 12/29/2022 as 212. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-4296. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Applying the patch 51f75c31f7fc33859a9a571311c67ae4e95d9c68 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

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

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (VulDB): 🔍

CVSSv2info

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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: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 51f75c31f7fc33859a9a571311c67ae4e95d9c68

Timelineinfo

12/29/2022 🔍
12/29/2022 +0 days 🔍
12/29/2022 +0 days 🔍
01/26/2023 +28 days 🔍

Sourcesinfo

Advisory: 212
Status: Confirmed

CVE: CVE-2021-4296 (🔍)

Entryinfo

Created: 12/29/2022 09:57 AM
Updated: 01/26/2023 03:48 AM
Changes: 12/29/2022 09:57 AM (42), 01/26/2023 03:41 AM (2), 01/26/2023 03:48 AM (21)
Complete: 🔍
Cache ID: 18:E0E:40

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