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TI-2025-07111 Aliases CVE-2025-7786GHSA-9ch4-p9xc-vmxf

Gnuboard g6 Post Reply qa cross site scripting

Priority MEDIUM 56CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

A vulnerability, which was classified as problematic, has been found in Gnuboard g6 up to 6.0.10. This issue affects some unknown processing of the file /bbs/scrap_popin_update/qa/ of the component Post Reply Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00281 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
gnuboardg66.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4; 6.0.5; 6.0.6; 6.0.7; 6.0.8; 6.0.9; 6.0.10—No fix listedCNA
  • g6 Vendorgnuboard Affected 6.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4; 6.0.5; 6.0.6; 6.0.7; 6.0.8; 6.0.9; 6.0.10 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sir:gnuboard:*:*:*:*:*:*:*:*up to 6.0.10VulnerableSir
  • cpe:2.3:a:sir:gnuboard:*:*:*:*:*:*:*:* Versions up to 6.0.10 Vulnerable ·Sir

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-7786
  2. 2026-10-03 Alias added: GHSA-9ch4-p9xc-vmxf

References

  • TI-2022-01138 Use of a Broken or Risky Cryptographic Algorithm in gnuboard/gnuboard5 CVSS 3.1CRITICAL 9.1
  • TI-2021-02762 Cross-site Scripting (XSS) - Reflected in gnuboard/gnuboard5 CVSS 3.1MEDIUM 6.1
  • TI-2021-03151 gnuboard youngcart5 menu_list_update.php cross site scripting CVSS 3.1MEDIUM 6.1

Sources