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TI-2026-04200 Aliases CVE-2026-4816GHSA-r9fv-65q7-7m5c

Reflected Cross Site Scripting (XSS) vulnerability in Support Board

Priority LOW 21CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A Reflected Cross Site Scripting (XSS) vulnerability has been found in Support Board v3.7.7. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL using the 'search' parameter in '/supportboard/include/articles.php'. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00146 3rd percentileScored 2026-11-07
Fix Fixed Support Board (Schiocco): 3.7.8

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
SchioccoSupport Boardup to 3.7.73.7.8Patch availableCNA
  • Support Board VendorSchiocco Affected up to 3.7.7 Fixed in 3.7.8 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:schiocco:support_board:*:*:*:*:*:wordpress:*:*before 3.7.8VulnerableSchiocco
  • cpe:2.3:a:schiocco:support_board:*:*:*:*:*:wordpress:*:* Versions before 3.7.8 Vulnerable ·Schiocco

Remediation

  • Fix · CNA Support Board (Schiocco) Fixed in 3.7.8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4816
  2. 2026-10-03 Alias added: GHSA-r9fv-65q7-7m5c

References

  • TI-2025-04323 Support Board <= 3.8.0 - Unauthenticated Arbitrary File Deletion CVSS 3.1CRITICAL 9.8
  • TI-2025-04348 Support Board <= 3.8.0 - Unauthenticated Authorization Bypass due to Use of Default Secret Key CVSS 3.1CRITICAL 9.8
  • TI-2026-04199 SQL Injection vulnerability in Support Board CVSS 4.0HIGH 8.7
  • TI-2021-07105 Support Board < 3.3.6 - Arbitrary File Deletion via CSRF CVSS 3.1HIGH 8.1
  • TI-2021-07089 Support Board < 3.3.5 - Agent+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.4

Sources