CVE-2016-10033

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2016-10033

Confirmed

Yes

2025-07-07 00:00 UTC

Timestamps

2025-07-07

2025-07-07

Scope

KEV entry: PHPMailer Command Injection Vulnerability | Affected: PHP / PHPMailer | Description: PHPMailer contains a command injection vulnerability because it fails to sanitize user-supplied input. Specifically, this issue affects the 'mail()' function of 'class.phpmailer.php' script. An attacker can exploit this issue to execute arbitrary code within the context of the application. Failed exploit attempts will result in a denial-of-service condition. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2025-07-28 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18 ; https://github.com/advisories/GHSA-5f37-gxvh-23v6 ; https://nvd.nist.gov/vuln/detail/CVE-2016-10033

References
  • {'id': 'CVE-2016-10033', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2016-10033'}

851a0580-946a-4c39-90b1-bdc676cd3f1b

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-77",
    "CWE-88"
  ],
  "date_added": "2025-07-07",
  "due_date": "2025-07-28",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "PHPMailer",
  "vendorProject": "PHP",
  "vulnerabilityName": "PHPMailer Command Injection Vulnerability"
}
 -
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