What is CVE-2017-1000442?

CVE-2017-1000442 is a medium-severity vulnerability in Passbolt API, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-01-02.

How severe is CVE-2017-1000442?

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

XSS in Passbolt API

CVE-2017-1000442

Passbolt API version 1.6.4 and older are vulnerable to a XSS in the url field on the password workspace

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.9th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Passbolt API

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.passbolt.com/incidents/20170914_xss_on_resource_urls (Vendor Advisory)
www.passbolt.com/release/notes (Patch, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2017-1000442?: CVE-2017-1000442 is a medium-severity vulnerability in Passbolt API, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-01-02.
How severe is CVE-2017-1000442?: Medium severity. CVSS v3 base score is 5.4 out of 10.