CVE-2017-11503
medium
CVSS v3
6.1
CVSS v4 NEW
—
VIR risk
6.1
Description
Cross-site scripting in PHPMailer
Predictions
Exploit likelihood
71%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 6.0.6-0.1 |
| sid | Fixed | 6.0.6-0.1 |
| forky | Fixed | 6.0.6-0.1 |
| bullseye | Fixed | 6.0.6-0.1 |
| bookworm | Fixed | 6.0.6-0.1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | phpmailer/phpmailer | >=5.0.0,<5.2.24 | 5.2.24 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| phpmailer_project | phpmailer | 5.2.23 | |
References
- http://www.securityfocus.com/bid/99293/
- http://www.securitytracker.com/id/1039026
- https://cxsecurity.com/issue/WLB-2017060181
- https://packetstormsecurity.com/files/143138/phpmailer-xss.txt
- https://github.com/PHPMailer/PHPMailer
- https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.24
- https://security-tracker.debian.org/tracker/CVE-2017-11503
- https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-58mj-pw57-4vm2
- https://nvd.nist.gov/vuln/detail/CVE-2017-11503
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2017-11503.yaml
- http://www.securityfocus.com/bid/99293
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.