What is CVE-2022-33322?

CVE-2022-33322 is a medium-severity vulnerability in Mitsubishielectric Mac-507if-E, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-11-08.

How severe is CVE-2022-33322?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Mitsubishielectric Mac-507if-E

CVE-2022-33322

Cross-site scripting vulnerability in Mitsubishi Electric consumer electronics products (Air Conditioning, Wi-Fi Interface, Refrigerator, HEMS adapter, Remote control with Wi-Fi Interface, BATHROOM THERMO VENTILATOR, Rice cooker, Mitsubishi Electric HEMS control adapter, Energy Recovery Ventilator, Smart Switch and Air Purifier) allows a remote unauthenticated attacker to execute an malicious script on a user's browser to disclose information, etc. The wide range of models/versions of Mitsubishi Electric consumer electronics products are affected by this vulnerability. As for the affected product models/versions, see the Mitsubishi Electric's advisory which is listed in [References] section.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-11-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

jvn.jp/vu/JVNVU96767562/index.html (VDB Entry, Third Party Advisory, government-resource)
www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-011_en.pdf (vendor-advisory, Mitigation, Vendor Advisory)
www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2022-011.pdf (vendor-advisory, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2022-33322?: CVE-2022-33322 is a medium-severity vulnerability in Mitsubishielectric Mac-507if-E, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-11-08.
How severe is CVE-2022-33322?: Medium severity. CVSS v3 base score is 6.1 out of 10.