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TI-2026-40401 Aliases CVE-2026-56006GHSA-rp27-rcxx-mqmc

WordPress H5P plugin <= 1.17.6 - Reflected Cross Site Scripting (XSS) vulnerability

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
H5PH5Pup to 1.17.6—No fix listedCNA
  • H5P VendorH5P Affected up to 1.17.6 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-56006
  2. 2026-10-03 Alias added: GHSA-rp27-rcxx-mqmc

References

  • TI-2024-02913 H5P < 1.15.8 - Contributor+ Stored XSS CVSS 3.1HIGH 7.1
  • TI-2026-79207 Stored cross-site scripting in WordPress H5P plugin CVSS 3.1MEDIUM 6.5
  • TI-2026-78922 Authorization bypass in WordPress H5P plugin CVSS 3.1MEDIUM 4.3

Sources