CVE-2026-3455 (GCVE-0-2026-3455)
Vulnerability from cvelistv5 – Published: 2026-03-03 05:00 – Updated: 2026-03-03 15:17
VLAI
EPSS
VEX
Summary
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.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-03 15:07 UTC
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | mailparser |
Affected:
0 , < 3.9.3
(semver)
|
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