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NVD Vulnerability Details :
CVE-2026-3455
Received
More InfoOfficial Page
Source-report@snyk.io
View Known Exploited Vulnerability (KEV) details
Published At-03 Mar, 2026 | 05:17
Updated At-03 Mar, 2026 | 05:17

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.1MEDIUM
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/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.16.1MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Type: Secondary
Version: 4.0
Base score: 5.1
Base severity: MEDIUM
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/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 6.1
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-79Secondaryreport@snyk.io
CWE ID: CWE-79
Type: Secondary
Source: report@snyk.io
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://gist.github.com/hayageek/7fcb225e3b1ea9a341d560403fbb585areport@snyk.io
N/A
https://github.com/nodemailer/mailparser/commit/921a67df4cfb38f0b411037d7b26fbd4d5411b08report@snyk.io
N/A
https://github.com/nodemailer/mailparser/issues/412report@snyk.io
N/A
https://security.snyk.io/vuln/SNYK-JS-MAILPARSER-15204032report@snyk.io
N/A
Hyperlink: https://gist.github.com/hayageek/7fcb225e3b1ea9a341d560403fbb585a
Source: report@snyk.io
Resource: N/A
Hyperlink: https://github.com/nodemailer/mailparser/commit/921a67df4cfb38f0b411037d7b26fbd4d5411b08
Source: report@snyk.io
Resource: N/A
Hyperlink: https://github.com/nodemailer/mailparser/issues/412
Source: report@snyk.io
Resource: N/A
Hyperlink: https://security.snyk.io/vuln/SNYK-JS-MAILPARSER-15204032
Source: report@snyk.io
Resource: N/A
Change History
0Changes found
Details not found