XSS in Phpmailer Project
CVE-2017-11503
PHPMailer 5.2.23 has XSS in the "From Email Address" and "To Email Address" fields of code_generator.php.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Phpmailer Project — versions 5.2.23
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/99293/ (VDB Entry, Third Party Advisory, vdb-entry)
- packetstormsecurity.com/files/143138/phpmailer-xss.txt (Exploit, VDB Entry, Third Party Advisory)
- cxsecurity.com/issue/WLB-2017060181 (Exploit, Third Party Advisory)
- www.securitytracker.com/id/1039026 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/PHPMailer/PHPMailer (Product)
- github.com/PHPMailer/PHPMailer/releases/tag/v5.2.24 (Patch, Release Notes, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-11503?
- CVE-2017-11503 is a medium-severity vulnerability in Phpmailer Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-07-20.
- How severe is CVE-2017-11503?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2017-11503 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.