CVE-2021-21660

Jenkins Markdown Formatter Plugin 0.1.0 and earlier does not sanitize crafted link target URLs, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to edit any description rendered using the configured markup formatter.

CVSS v3 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.openwall.com/lists/oss-security/2021/05/25/3	Mailing List Third Party Advisory
https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2198	Vendor Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-21660	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:jenkins:markdown_formatter:*:*:*:*:*:jenkins:*:*

History

No history.

Information

Published : 2021-05-25 17:15

Updated : 2023-11-03 17:39

NVD link : CVE-2021-21660

Mitre link : CVE-2021-21660

CVE.ORG link : CVE-2021-21660

JSON object : View

Products Affected

jenkins

markdown_formatter

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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