Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck
CVE-2021-47768ImportExportTools NG 10.0.4 - HTML Injection
Medium 6.1
In plain English
A medium-severity cross-site scripting in ImportExportTools NG from thundernest. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.4%top 69.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| thundernest | ImportExportTools NG | 10.0.4 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
- ExploitDB-50496 exploit
- ImportExportTools NG GitHub Repository product
- Thunderbird Addon Page product
- Vulnerability-Lab Disclosure exploit, technical-description