What is CVE-2022-29360?

CVE-2022-29360 is a medium-severity vulnerability in Rainloop Webmail, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-07-28.

How severe is CVE-2022-29360?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Rainloop Webmail

CVE-2022-29360

The Email Viewer in RainLoop through 1.6.0 allows XSS via a crafted email message.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.6th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000

Affected products

Rainloop Webmail

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.rainloop.net/changelog/ (Release Notes, Vendor Advisory)
blog.sonarsource.com/rainloop-emails-at-risk-due-to-code-flaw/ (Exploit, Third Party Advisory)
lists.debian.org/debian-lts-announce/2023/05/msg00027.html (mailing-list)

Frequently asked questions

What is CVE-2022-29360?: CVE-2022-29360 is a medium-severity vulnerability in Rainloop Webmail, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-07-28.
How severe is CVE-2022-29360?: Medium severity. CVSS v3 base score is 5.4 out of 10.