CVE-2020-13625

HIGH

PHPMailer < 6.1.6 - Improper Output Escaping in File Attachment Name

Title source: llm
STIX 2.1

Description

PHPMailer before 6.1.6 contains an output escaping bug when the name of a file attachment contains a double quote character. This can result in the file type being misinterpreted by the receiver or any mail relay processing the message.

References (9)

Core 9
Core References
Release Notes, Third Party Advisory x_refsource_confirm
https://github.com/PHPMailer/PHPMailer/releases/tag/v6.1.6
Exploit, Patch, Third Party Advisory x_refsource_confirm
https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-f7hx-fqxw-rvvj
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00014.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/08/msg00004.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4505-1/

Scores

CVSS v3 7.5
EPSS 0.0455
EPSS Percentile 89.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-116
Status published
Products (7)
canonical/ubuntu_linux 18.04
debian/debian_linux 8.0
debian/debian_linux 9.0
fedoraproject/fedora 31
fedoraproject/fedora 32
phpmailer/phpmailer 0 - 6.1.6Packagist
phpmailer_project/phpmailer < 6.1.6
Published Jun 08, 2020
Tracked Since Feb 18, 2026