Detections
Analytics

SCA: security update for phpmailer/phpmailer (GHSA-5f37-gxvh-23v6)

critical Tenable Cloud Security Plugin ID 423138

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to
 pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash
 double quote) in a crafted Sender property. (CVE-2016-10033)

See Also

https://github.com/advisories/GHSA-5f37-gxvh-23v6

Plugin Details

Severity: Critical

ID: 423138

Version: Revision 1.14

Type: Local

Family: SCA Checks

Published: 3/29/2025

Updated: 5/27/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: High

Score: 8.9

Percentile: 99.71

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2016-10033

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/5/2020

Vulnerability Publication Date: 12/25/2016

CISA Known Exploited Vulnerability Due Dates: 7/28/2025

Exploitable With

Core Impact

Metasploit (WordPress PHPMailer Host Header Command Injection)

Reference Information

CVE: CVE-2016-10033

BID: 95108