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b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and…

Priority MEDIUM 47CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

b2evolution version 6.6.0 - 6.8.10 is vulnerable to input validation (backslash and single quote escape) in basic install functionality resulting in unauthenticated attacker gaining PHP code execution on the victim's setup.

Why it matters now

EPSS 0.02388 84th 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:b2evolution:b2evolution:*:*:*:*:*:*:*:*6.6.0 – 6.8.10VulnerableB2Evolution
  • cpe:2.3:a:b2evolution:b2evolution:*:*:*:*:*:*:*:* Versions 6.6.0 – 6.8.10 Vulnerable ·B2Evolution

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-1000423
  2. 2026-10-03 Alias added: GHSA-8vmv-gvr3-636v

References

  • TI-2022-12996 An authorization bypass in b2evolution allows remote, unauthenticated attackers to… CVSS 3.1CRITICAL 9.1
  • TI-2016-07299 b2evolution 6.7.6 suffer from an Object Injection vulnerability in /htsrv/call_plugin.php. CVSS 3.0CRITICAL 9.8
  • TI-2021-09447 SQL Injection in the "evoadm.php" component of b2evolution v7.2.2-stable allows remote… CVSS 3.1HIGH 8.8
  • TI-2017-03554 The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has… CVSS 3.0CRITICAL 9.1
  • TI-2020-14406 Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker… CVSS 3.1MEDIUM 6.1
  • TI-2017-03500 Directory traversal vulnerability in inc/files/files.ctrl.php in b2evolution through… CVSS 3.0HIGH 8.1
See all 23 →

Sources