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CVE-2018-19296
PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack.
- 8.8HighCVSS base score
- 2.2%Exploitation in 30 daysEPSS · top 17% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistphpmailer/phpmailerGHSA-7w4p-72j7-v7c2 (opens in a new tab)
References
6
- https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20181228 [SECURITY] [DLA 1591-2] libphp-phpmailer regression update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4351 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6 (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2021-b21bbfa198 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2021-ecf4fed550 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-0340 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-7w4p-72j7-v7c2 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-19296)Record last updated .