Multiple CRLF injection vulnerabilities in PHPMailer before 5.2.14 allow attackers to inject arbitrary SMTP commands via CRLF sequences in an (1) email address to the validateAddress function in class.phpmailer.php or (2) SMTP command to the sendCommand function in class.smtp.php, a different vulnerability than CVE-2012-0796
Published Dec 16, 2015
5.0
MEDIUMCVSS 2.0
EPSS 1.99%
Description
Multiple CRLF injection vulnerabilities in PHPMailer before 5.2.14 allow attackers to inject arbitrary SMTP commands via CRLF sequences in an (1) email address to the validateAddress function in class.phpmailer.php or (2) SMTP command to the sendCommand function in class.smtp.php, a different vulnerability than CVE-2012-0796.
Affected products
No data.
Configuration 1
- 6.0
- 7.0
- 8.0
Configuration 2
- ≤ 5.2.13
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.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.99% (0.01988) | 79.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.99% (0.01988) | 77.96th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.11% (0.01114) | 76.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.16% (0.02157) | 73.76th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.11% (0.01114) | 76.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00257) | 65.98th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.26% (0.00257) | 64.53th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00257) | 61.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
References (12)
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177130.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177139.html vendor-advisoryx_refsource_FEDORA
- http://www.debian.org/security/2015/dsa-3416 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2015/12/04/5 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2015/12/05/1 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/78619 vdb-entryx_refsource_BID
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2015-8476.yaml
- https://github.com/PHPMailer/PHPMailer/commit/6687a96a18b8f12148881e4ddde795ae477284b0 x_refsource_CONFIRM
- https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.14 x_refsource_CONFIRMVendor Advisory
- https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-738m-f33v-qc2r
- https://github.com/advisories/GHSA-738m-f33v-qc2r Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8476
Change history (0)
No recorded changes yet.