CVE-2020-13625

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.

• CWE-116

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00067.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00085.htmlBroken Link
• https://github.com/PHPMailer/PHPMailer/releases/tag/v6.1.6Release Notes, Third Party Advisory
• https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-f7hx-fqxw-rvvjExploit, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00014.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/08/msg00004.htmlMailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EFM3BZABL6RUHTVMXSC7OFMP4CKWMRPJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMH4TC5XTS3KZVGMSKEPPBZ2XTZCKKCX/
• https://usn.ubuntu.com/4505-1/Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00067.htmlBroken Link
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00085.htmlBroken Link
• https://github.com/PHPMailer/PHPMailer/releases/tag/v6.1.6Release Notes, Third Party Advisory
• https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-f7hx-fqxw-rvvjExploit, Patch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/06/msg00014.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2020/08/msg00004.htmlMailing List, Third Party Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EFM3BZABL6RUHTVMXSC7OFMP4CKWMRPJ/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SMH4TC5XTS3KZVGMSKEPPBZ2XTZCKKCX/
• https://usn.ubuntu.com/4505-1/Third Party Advisory

Published

Jun 8, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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