HIGH
PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack
Published Nov 16, 2018
8.8
HIGHCVSS 3.1
EPSS 2.23%
Description
PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack.
Affected products
No data.
Configuration 1
OR
- < 5.2.27
- ≥ 6.0.0 · < 6.0.6
Configuration 2
OR
- 8.0
- 9.0
- 33
- 34
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
8.8 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.23% 0.02229
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02229
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.23% (0.02229) | 82.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.21% (0.02211) | 80.22th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.67% (0.01674) | 80.45th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.88% (0.04882) | 82.23th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.63% (0.00625) | 79.16th | v3 (v2023.03.01) |
| Apr 8, 2024 | 0.63% (0.00625) | 78.58th | v3 (v2023.03.01) |
| Nov 10, 2023 | 0.65% (0.00652) | 77.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.53% (0.00528) | 73.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.45% (0.01454) | 32.67th | v5 (v2026.06.15) |
| May 12, 2021 | 1.25% (0.01247) | 0.00th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
Weaknesses (3)
References (12)
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2018-19296.yaml
- https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.27 x_refsource_MISCRelease NotesVendor Advisory
- https://github.com/PHPMailer/PHPMailer/releases/tag/v6.0.6 x_refsource_MISCRelease NotesVendor Advisory
- https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-7w4p-72j7-v7c2
- https://github.com/advisories/GHSA-7w4p-72j7-v7c2 Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00020.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3B5WDPGUFNPG4NAZ6G4BZX43BKLAVA5B/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KPU66INRFY5BQ3ESVPRUXJR4DXQAFJVT/
- https://nvd.nist.gov/vuln/detail/CVE-2018-19296
- https://www.debian.org/security/2018/dsa-4351 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 16, 2018
Updated Aug 5, 2024
Reserved Nov 15, 2018
Link CVE-2018-19296
CISA Vulnrichment
GHSA-7W4P-72J7-V7C2 Updated n/a