Read the docs
TI-2026-70465 Aliases CVE-2026-86798GHSA-8jxp-9jrv-6qv4

Unauthenticated stored XSS in HootBoard WordPress plugin

Priority MEDIUM 40CWE-79Published · Updated

Key facts

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

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

Summary

The HootBoard WordPress plugin through 3.1.4 has a cross-site scripting flaw (CWE-79). Some REST endpoints lack authorization checks, and stored values are not escaped before they appear on a public page. An unauthenticated remote attacker can inject arbitrary web scripts that run in the browser of anyone who visits that page, including administrators. The references include a link to an exploit.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

The HootBoard WordPress plugin through 3.1.4 does not perform any authorisation check on some of its REST endpoints, and does not escape the values stored through them before outputting them in a public page, allowing unauthenticated users to inject arbitrary web scripts that will execute in the browser of anyone visiting that page, including administrators.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0034 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownHootBoardup to 3.1.4—No fix listedCNA
  • HootBoard VendorUnknown Affected up to 3.1.4 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for HootBoard.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-86798
  2. 2026-10-11 Alias added: GHSA-8jxp-9jrv-6qv4
  3. 2026-10-12 Priority changed: LOW → MEDIUM

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences