CVE-2026-56006 | Unauthenticated Cross Site Scripting (XSS) in H5P <= 1.17.6 … | CVSS 7.1 HIGH

Description

Unauthenticated Cross Site Scripting (XSS) in H5P <= 1.17.6 versions.

CVE ID: CVE-2026-56006
State: PUBLISHED
Assigner: Patchstack
Reserved: 2026-06-18 09:31 UTC
Published: 2026-06-25 13:12 UTC
Last updated: 2026-06-25 14:00 UTC
Primary CWE: CWE-79
CWE-79 Improper Neutralization of Input During Web Page Gene…
Vendor / Product: H5P / H5P
Sources: cve.org · NVD

7.1 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

SSVC — CISA Coordinator

Affected products (1)

Vendor	Product	Platform	Versions
H5P	H5P	—	n/a ≤ 1.17.6

Weakness (CWE)

CWE	Source	Description
CWE-79	cna	CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.1	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

References (1)