Hexo up to 5.4.0 Web Page Generation body/tags cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Hexo up to 5.4.0. This affects an unknown function of the component Web Page Generation Handler. Executing a manipulation of the argument body/tags can lead to cross site scripting. This vulnerability is registered as CVE-2021-25987. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Hexo up to 5.4.0. It has been declared as problematic. This vulnerability affects an unknown code block of the component Web Page Generation Handler. The manipulation of the argument body/tags with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity.

The weakness was published 11/30/2021. The advisory is shared for download at whitesourcesoftware.com. This vulnerability was named CVE-2021-25987 since 01/22/2021. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Applying the patch 5170df2d3fa9c69e855c4b7c2b084ebfd92d5200 is able to eliminate this problem. The bugfix is ready for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

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: 4.6
NVD Vector: 🔍

CNA Base Score: 5.0
CNA Vector (WhiteSource): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
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: 5170df2d3fa9c69e855c4b7c2b084ebfd92d5200

Timelineinfo

01/22/2021 🔍
11/30/2021 +312 days 🔍
11/30/2021 +0 days 🔍
12/04/2021 +4 days 🔍

Sourcesinfo

Advisory: 5170df2d3fa9c69e855c4b7c2b084ebfd92d5200
Status: Confirmed

CVE: CVE-2021-25987 (🔍)
GCVE (CVE): GCVE-0-2021-25987
GCVE (VulDB): GCVE-100-187360

Entryinfo

Created: 11/30/2021 16:36
Updated: 12/04/2021 12:29
Changes: 11/30/2021 16:36 (50), 12/04/2021 12:14 (2), 12/04/2021 12:22 (18), 12/04/2021 12:29 (1)
Complete: 🔍
Cache ID: 216::103

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