CVE-2017-11503: XSS

Published Jul 20, 2017
·
Updated

Last updated 24 July 2024

Other sources

PHPMailer 5.2.23 has XSS in the "From Email Address" and "To Email Address" fields of codegenerator.php.

Affected Software

3 affected componentsFixes available
composer/phpmailer/phpmailer>=5.0.0, <5.2.24
5.2.24
debian/libphp-phpmailer
6.2.0-26.6.3-16.9.1-1
PHPMailer project PHPMailer=5.2.23

Event History

Jul 20, 2017
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description
Jul 26, 2017
Advisory Published
06:02 PM
Jan 11, 2024
Data Sourced
via Launchpad·10:24 PM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·01:21 AM
RemedyDescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2017-11503?

The severity of CVE-2017-11503 is medium with a CVSS score of 6.1.

2

Which software packages are affected by CVE-2017-11503?

PHPMailer 5.2.23 and libphp-phpmailer versions 5.2.14+dfsg-2.3+, 5.2.24, 5.2.14+dfsg-1ubuntu0.1~, 6.0.6-0.1, 6.2.0-2, and 6.6.3-1 are affected by CVE-2017-11503.

3

What is the vulnerability description of CVE-2017-11503?

CVE-2017-11503 is an XSS vulnerability in the "From Email Address" and "To Email Address" fields of code_generator.php in PHPMailer 5.2.23.

4

How can I fix the CVE-2017-11503 vulnerability?

To fix the CVE-2017-11503 vulnerability, update PHPMailer to version 5.2.24 or higher.

5

Where can I find more information about CVE-2017-11503?

More information about CVE-2017-11503 can be found at the following references: [GitHub](https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.24), [CVE Details](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11503), [CXSecurity](https://cxsecurity.com/issue/WLB-2017060181).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203