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.
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Affected Vendors & Products
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Advisories
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Fixes
Solution
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Workaround
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References
History
Wed, 11 Nov 2026 06:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Knowledge Building < 0.7.3 - Reflected XSS via Comment Reply Response | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-11-11T06:00:11.485Z
Reserved: 2026-11-04T09:44:46.555Z
Link: CVE-2026-121863
Vulnrichment
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NVD
Status : Received
Published: 2026-11-11T06:17:16.877
Modified: 2026-11-11T06:17:16.877
Link: CVE-2026-121863
Redhat
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OpenCVE Enrichment
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Weaknesses
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