CVE-2021-47768

ImportExportTools NG 10.0.4 - HTML Injection

ImportExportTools NG 10.0.4 contains a persistent HTML injection vulnerability in the email export module that allows remote attackers to inject malicious HTML payloads. Attackers can send emails with crafted HTML in the subject that execute during HTML export, potentially compromising user data or session credentials.

Affected

thundernest · ImportExportTools NG

CVSS v4.0 VULNCHECK

5.3 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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

CVSS v3.1 VULNCHECK

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.36% chance of exploitation in the next 30 days, 29th percentile

Published

2026-01-15

Proof-of-concept exploits (2)

• https://www.exploit-db.com/exploits/50496
• https://www.vulnerability-lab.com/get_content.php?id=2308

Security advisories

• https://addons.thunderbird.net/en-US/thunderbird/addon/importexporttools-ng
• thundernest/import-export-tools-ng

References

• CVE Record
• NVD entry