CVSS 3.1 Score 5.4 of 10 (medium)


Published Sep 20, 2023
Updated: Sep 23, 2023


CVE-2023-43495 is a vulnerability that affects Jenkins versions 2.423 and earlier, as well as LTS 2.414.1 and earlier. The vulnerability allows for stored cross-site scripting (XSS) attacks by manipulating the 'caption' constructor parameter of 'ExpandableDetailsNote'. Attackers with control over this parameter can exploit the vulnerability. The affected products include mBt9m_, mBt9mw, mBt9mx, and many others. To remediate the vulnerability, organizations should update their Jenkins installations to versions that are not affected by this issue. The vulnerability has a base severity of MEDIUM and a base score of 5.4 according to It requires low privileges and user interaction, with an attack vector through the network. The impact of the vulnerability is low in terms of integrity and confidentiality, with no availability impact.

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