Vulnerability · Published Sep 6, 2021 · Assigned by @huntrdev

CVE-2021-3767Cross-site Scripting (XSS) - Stored in bookstackapp/bookstack

Medium 5.4

In plain English

A medium-severity cross-site scripting in bookstackapp/bookstack from bookstackapp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 3.0)5.4Medium
Exploit odds (30 days)0.6%top 52.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected products (as reported)

VendorProductVersions
bookstackapp bookstackapp/bookstack unspecified – before 21.08.2

Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References