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Security Advisories: GSA_kwCzR0hTQS0zNGo1LWM0Y3YtbW1nNc4AAolr

XXE vulnerability in Jenkins URLTrigger Plugin

URLTrigger Plugin 0.48 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

This allows attackers with Job/Configure permission or otherwise able to control the contents of an URL to an XML document being examined for changes to have Jenkins parse a crafted XML document that uses external entities for extraction of secrets from the polling Jenkins controller or agent, server-side request forgery, or denial-of-service attacks.

URLTrigger Plugin 0.49 disables external entity resolution for its XML parser.

Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 1 year ago
Updated: 4 months ago

CVSS Score: 7.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Identifiers: GHSA-34j5-c4cv-mmg5, CVE-2021-21659

Affected Packages

Versions: <= 0.48
Fixed in: 0.49