What is CVE-2017-9933?

CVE-2017-9933 is a high-severity vulnerability in Joomla Joomla\!, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-07-17.

How severe is CVE-2017-9933?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Joomla Joomla\!

CVE-2017-9933

Improper cache invalidation in Joomla! CMS 1.7.3 through 3.7.2 leads to disclosure of form contents.

Vulnerability class: Information Disclosure

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.023 (82.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Joomla Joomla\! — versions 1.7.3, 1.7.4, 1.7.5

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securityfocus.com/bid/99450 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1038817 (VDB Entry, Third Party Advisory, vdb-entry)
developer.joomla.org/security-centre/696-20170601-core-information-disclosure (Vendor Advisory)

Frequently asked questions

What is CVE-2017-9933?: CVE-2017-9933 is a high-severity vulnerability in Joomla Joomla\!, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-07-17.
How severe is CVE-2017-9933?: High severity. CVSS v3 base score is 7.5 out of 10.