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CVE-2021-47768

19
FAUCET Score

CVE-2021-47768 is a persistent HTML injection vulnerability in ImportExportTools NG 10.0.4's email export module. Attackers can embed malicious HTML in email subjects, which executes when emails are exported, potentially leading to compromise of user data or session credentials. This medium-severity vulnerability (CVSS 6.1) requires user interaction (UI:R) but can be exploited remotely (AV:N). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
10.0.4CPE matchmatch criteria
cpe:2.3:a:cleidigh:importexporttools_ng:10.0.4:*:*:*:*:thunderbird:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

CVSS: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

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
LOW
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 25th percentile among its peer group of 26,219 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

addons.thunderbird.net / en-US/thunderbird/addon/importexporttools-ng
Product
github.com / thundernest/import-export-tools-ng
Product
exploit-db.com / exploits/50496
Exploit
vulnerability-lab.com / get_content.php
Third Party Advisory