Sign in
Deutsch English Español Polski
Medium

PHPMailer Local file inclusion

  • Disclosed: 02.02.2024
  • Updated: 11.10.2026 10:22

Impact

Arbitrary local file inclusion via the $lang property, remotely exploitable if host application passes unfiltered user data into that property. The 3 CVEs listed are applications that used PHPMailer that were vulnerable to this problem.

Patches

It's not known exactly when this was fixed in the host applications, but it was fixed in PHPMailer 5.2.0.

Workarounds

Filter and validate user-supplied data before use.

References

https://nvd.nist.gov/vuln/detail/CVE-2006-5734 https://nvd.nist.gov/vuln/detail/CVE-2007-3215 https://nvd.nist.gov/vuln/detail/CVE-2007-2021 Example exploit: https://www.exploit-db.com/exploits/14893

For more information

If you have any questions or comments about this advisory:

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package phpmailer/phpmailer < 5.2.0 5.2.0

References

CVSS score -
Weakness (CWE)
-
Platform
Composer
Package
phpmailer/phpmailer
Disclosed
02.02.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-8jc3-5p29-qgjx - CC BY 4.0

Vulnerability history: phpmailer/phpmailer

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (13) in the archive
Total entries
13
First → latest
12.2016 02.2024
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 7
  • Medium 3
  • Low 1

Disclosures per year

earlier: 1

Severity:
  1. PHPMailer Local file inclusion this entry
    Medium CVE-2006-5734 < 5.2.0 5.2.0
  2. PHPMailer Shell command injection
    High CVE-2007-3215 < 1.7.4 1.7.4
  3. PHPMailer vulnerable to email header injection
    High CVE-2012-0796 < 2.2.1 2.2.1
  4. PHPMailer susceptible to arbitrary code execution
    High CVE-2008-5619 < 5.2.10 5.2.10
  5. PHPMailer untrusted code may be run from an overridden address validator
    High · 8.1 CVE-2021-3603 < 6.5.0 6.5.0
  6. Remote Code Execution vulnerability in PHPMailer 6.4.1 running on Windows
    High · 8.1 CVE-2021-34551 < 6.5.0 6.5.0
  7. Object injection in PHPMailer/PHPMailer
    Critical · 9.8 CVE-2020-36326 >= 6.1.8, < 6.4.1 6.4.1
  8. Insufficient output escaping of attachment names in PHPMailer
    High · 7.5 CVE-2020-13625 < 6.1.6 6.1.6
  9. Phar object injection in PHPMailer
    High · 8.8 CVE-2018-19296 >= 5.0.0, < 5.2.27, >= 6.0.0, < 6.0.6 5.2.27, 6.0.6
  10. Jomres
    Critical · 9.8 CVE-2016-10045 >= 5.0.0, < 5.2.18 5.2.18

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Privacy policy

Free to subscribe. Unsubscribe with one click in any email.