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TI-2020-05431 Aliases CVE-2020-6583GHSA-3776-639q-72wg

BigProf Online Invoicing System (OIS) through 2.6 has XSS that can be leveraged for…

Priority LOW 28CWE-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 · None
Fix status
No fix listed

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

Summary

BigProf Online Invoicing System (OIS) through 2.6 has XSS that can be leveraged for session hijacking. An attacker can exploit the XSS vulnerability, retrieve the session cookie from the administrator login, and take over the administrator account via the Name field in an Add New Client action.

Why it matters now

EPSS 0.00686 52nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bigprof:online_invoicing_system:*:*:*:*:*:*:*:*up to 2.6VulnerableBigProf
  • cpe:2.3:a:bigprof:online_invoicing_system:*:*:*:*:*:*:*:* Versions up to 2.6 Vulnerable ·BigProf

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-6583
  2. 2026-10-03 Alias added: GHSA-3776-639q-72wg

References

Exploit 1

  • TI-2020-18145 BigProf Online Invoicing System before 2.9 suffers from an unauthenticated SQL Injection… CVSS 3.1CRITICAL 9.8
  • TI-2020-18146 BigProf Online Invoicing System before 3.0 offers a functionality that allows an… CVSS 3.1HIGH 8.8
  • TI-2021-04362 XSS in description field CVSS 3.1HIGH 7.6
  • TI-2020-18147 BigProf Online Invoicing System before 3.1 fails to correctly sanitize an XSS payload… CVSS 3.1MEDIUM 6.1
  • TI-2023-05905 Cross-site Scripting vulnerability in BigProf products CVSS 3.1MEDIUM 6.3
  • TI-2023-05904 Cross-site Scripting vulnerability in BigProf products CVSS 3.1MEDIUM 6.3
See all 16 →

Sources

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