What is CVE-2022-3034?

CVE-2022-3034 is a medium-severity vulnerability in Mozilla Thunderbird, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 4.3/10. Published 2022-12-22.

How severe is CVE-2022-3034?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Mozilla Thunderbird

CVE-2022-3034

When receiving an HTML email that specified to load an <code>iframe</code> element from a remote location, a request to the remote document was sent. However, Thunderbird didn't display the document. This vulnerability affects Thunderbird < 102.2.1 and Thunderbird < 91.13.1.

EPSS: 0.005 (41.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Mozilla Thunderbird — versions unspecified

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)

References

security@mozilla.org (Vendor Advisory)
security@mozilla.org (Vendor Advisory)
security@mozilla.org (Permissions Required, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2022-3034?: CVE-2022-3034 is a medium-severity vulnerability in Mozilla Thunderbird, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 4.3/10. Published 2022-12-22.
How severe is CVE-2022-3034?: Medium severity. CVSS v3 base score is 4.3 out of 10.