What is CVE-2017-11737?

CVE-2017-11737 is a medium-severity vulnerability in Rspamd Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-07-29.

How severe is CVE-2017-11737?

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

XSS in Rspamd Project

CVE-2017-11737

interface/js/app/history.js in WebUI in Rspamd before 1.6.3 allows XSS via the Subject and Message-Id headers, which are mishandled in the history page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-07-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.5th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Rspamd Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/vstakhov/rspamd/releases/tag/1.6.3 (Third Party Advisory, Release Notes)
github.com/vstakhov/rspamd/issues/1738 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-11737?: CVE-2017-11737 is a medium-severity vulnerability in Rspamd Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-07-29.
How severe is CVE-2017-11737?: Medium severity. CVSS v3 base score is 6.1 out of 10.