Prototype Pollution in Phpmailer_project Phpmailer
CVE-2018-19296
PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack.
Vulnerability class: Insecure Deserialization
EPSS: 0.022 (80.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Phpmailer_project Phpmailer
- Wordpress
- Debian Debian_linux — versions 8.0, 9.0
- Fedoraproject Fedora — versions 33, 34
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2018-19296?
- CVE-2018-19296 is a high-severity vulnerability in Phpmailer_project Phpmailer, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2018-11-16.
- How severe is CVE-2018-19296?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-19296 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.