Detections
Analytics

SCA: security update for mailparser (GHSA-7gmj-h9xc-mcxc)

medium Tenable Self-Hosted Container Security Plugin ID 438352

Description

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

 - Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting (XSS) via the
 textToHtml() function due to the improper sanitisation of URLs in the email content. An attacker can
 execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded malicious
 JavaScript code. (CVE-2026-3455)

See Also

https://github.com/advisories/GHSA-7gmj-h9xc-mcxc

Plugin Details

Severity: Medium

ID: 438352

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 3/5/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.42

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-3455

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.1

Threat Score: 2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/3/2026

Vulnerability Publication Date: 3/3/2026

Reference Information

CVE: CVE-2026-3455

cwe: CWE-79