Jenkins GitLab Plugin 1.5.34 and earlier does not escape multiple fields inserted into the description of webhook-triggered builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.
[
{
"product": "Jenkins GitLab Plugin",
"vendor": "Jenkins project",
"versions": [
{
"lessThanOrEqual": "1.5.34",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]