description: The "WebSub (FKA. PubSubHubbub)" plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin settings in all versions up to, and including, 3.1.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
problem types: CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
affected:
{
vendor: joshfraz
product: WebSub (FKA. PubSubHubbub)
versions:
version: *, status: affected, lessThanOrEqual: 3.1.4, versionType: semver
defaultStatus: unaffected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
baseScore: 4.4
baseSeverity: MEDIUM
]