CVE-2017-11503

Public Exploit

Description

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

References

Link	Tags
http://www.securityfocus.com/bid/99293/	vdb entry third party advisory
https://packetstormsecurity.com/files/143138/phpmailer-xss.txt	exploit vdb entry third party advisory
https://cxsecurity.com/issue/WLB-2017060181	third party advisory exploit
http://www.securitytracker.com/id/1039026	vdb entry third party advisory
https://github.com/PHPMailer/PHPMailer	product
https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.24	patch release notes third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-11503?: CVE-2017-11503 has been scored as a medium severity vulnerability.
How to fix CVE-2017-11503?: To fix CVE-2017-11503, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-11503 being actively exploited in the wild?: It is possible that CVE-2017-11503 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-79 – Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Frequently Asked Questions