Local File Inclusion in PHPMailer by Softaculous
CVE-2017-5223

5.5MEDIUM

Key Information:

Vendor

PHPmailer Project

Status
PHPmailer
Vendor
CVE Published:
16 January 2017

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2017-5223?

An issue found in PHPMailer allows local file inclusion through the msgHTML method, which converts relative image URLs into email attachments. If a user provides an unfiltered HTML document without a specified base directory, it defaults to /, leading to the exploitation of local file paths. This vulnerability poses significant risks as it enables potential attackers to manipulate server-side files if they can control the HTML content.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2017-5223
Created by cscli

References

http://www.securityfocus.com/bid/95328
vdb-entryx_refsource_BID
http://kalilinux.co/2017/01/12/phpmailer-cve-2017-5223-lo...
x_refsource_MISC
https://www.exploit-db.com/exploits/43056/
exploitx_refsource_EXPLOIT-DB

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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