HIGHCVSS v3.1 7.1Vulnerability
CVE-2026-121863
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.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-11T23:49:45.533241+00:00
- Epss score
- 0.0022
- Cvss severity
- HIGH
- Cvss score
- 7.1
- Retrieved at
- 2026-11-11T23:51:13+00:00
- Last source
- FIRST EPSS
- Cvss version
- 3.1
- Score
- 7.1
- Cve id
- CVE-2026-121863
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- First seen by Signal
- 2026-11-11T07:36:44+00:00
- Name
- CVE-2026-121863
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- Published at
- 2026-11-11T06:17:16.877
- Last modified
- 2026-11-11T12:19:35.750
- Epss percentile
- 0.12688
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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