CVE-2017-5215 The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla! allows a rename attack that bypasses a "safe file extension" protection mechanism, leading to remote code execution.

CriticalCVSS 9.8 EPSS 3.6%

Published: 2017-05-17 17:00
Updated: 2026-06-17 04:20
Exploit status: No public exploit known

Description

The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla! allows a rename attack that bypasses a "safe file extension" protection mechanism, leading to remote code execution.

Affected products

Product	Affected versions	Fixed in
codextrous b2j contact	<= 2.1.12	No fix listed

References

navixia.com exploit third-party-advisory

CVSS v3.0

9.8 Critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

All scores (2)

v3.0 9.8 · nvd@nist.gov
v2.0 7.5 · nvd@nist.gov

Weakness & likelihood

EPSS (exploitation probability, 30 days): 3.57% (percentile 89.5)
CWE: CWE-20

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.