Read the docs
TI-2021-09205 Aliases CVE-2021-27839GHSA-g26q-ppp8-jj4r

A CSV injection vulnerability found in Online Invoicing System (OIS) 4.3 and below can be…

Priority LOW 22CWE-1236Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A CSV injection vulnerability found in Online Invoicing System (OIS) 4.3 and below can be exploited by users to perform malicious actions such as redirecting admins to unknown or harmful websites, or disclosing other clients' details that the user did not have access to.

Why it matters now

EPSS 0.00724 54th 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
——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 4.3VulnerableBigProf
  • cpe:2.3:a:bigprof:online_invoicing_system:*:*:*:*:*:*:*:* Versions up to 4.3 Vulnerable ·BigProf

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27839
  2. 2026-10-03 Alias added: GHSA-g26q-ppp8-jj4r

References

Advisory 2

  • 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