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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.78%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 3.78% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-116
- Affected
- phpmailer project/phpmailer · fedoraproject/fedora · canonical/ubuntu linux · debian/debian linux
- Source
- cve@mitre.org
EPSS 3.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.