CVE-2026-121863
HIGH
MEDIUM
Priority: 0.02
BB Relevance:
64/100
Published: 2026-11-11
Modified: 2026-11-11
First seen: 2026-11-11
Status: active
Attack Surface
Network
Low Complexity
No Auth
Scope Change
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
Required
S:
Changed
C:
Low
I:
Low
A:
Low
Description
The Knowledge Building WordPress plugin before 0.7.3 does not escape several user-supplied values before echoing them back in the response of an AJAX action available to unauthenticated users, and serves that response as HTML, leading to a Reflected Cross-Site Scripting.
Weakness Classification (1)
Affected Software (2)
| Vendor | Product | Version |
|---|---|---|
| Unknown | Knowledge Building | 0 < 0.7.3 |
| Unknown | Knowledge Building | 0 < 0.7.3 |