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TI-2021-08353 Aliases CVE-2021-26636GHSA-c5f6-5rv4-j98x

Maxboard Remote Code Execution

Priority MEDIUM 44CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79 and CWE-89.

Summary

Stored XSS and SQL injection vulnerability in MaxBoard could lead to occur Remote Code Execution, which could lead to information exposure and privilege escalation.

Why it matters now

EPSS 0.01522 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MaxBoardMaxBoardup to 1.9.6.1—No fix listedCNA
  • MaxBoard VendorMaxBoard Affected up to 1.9.6.1 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:maxb:maxboard:*:*:*:*:*:*:*:*before 1.9.6.1VulnerableMaxb
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
  • cpe:2.3:a:maxb:maxboard:*:*:*:*:*:*:*:* Versions before 1.9.6.1 Vulnerable ·Maxb
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26636
  2. 2026-10-03 Alias added: GHSA-c5f6-5rv4-j98x

References

Advisory 1

  • TI-2021-08351 Maxboard multiple vulnerabilities CVSS 3.1CRITICAL 9.8
  • TI-2021-08350 Maxboard SQL injection and LFI vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2021-08346 MaxBoard XSS and File Upload Vulnerability CVSS 3.1HIGH 8.1

Sources

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