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Rewterz Threat Advisory – Multiple Jenkins Email Extension Plugin Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-25765 CVSS:8.8

Jenkins Email Extension Plugin could allow a remote authenticated attacker to execute arbitrary code on the system, caused by a script security sandbox bypass flaw in email templates. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code in the context of the Jenkins controller JVM.

CVE-2023-25764 CVSS:8

Jenkins Email Extension Plugin is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2023-25763 CVSS:8

Jenkins Email Extension Plugin is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

Impact

  • Code Execution
  • Cross-Site Scripting

Indicators Of Compromise

CVE

  • CVE-2023-25765
  • CVE-2023-25764
  • CVE-2023-25763

Affected Vendors

Jenkins

Affected Products

  • Jenkins Email Extension Plugin 2.93

Remediation

Refer to Jenkins Security Advisory for patch, upgrade or suggested workaround information.

Jenkins Security Advisory