What is CVE-2017-7666?

CVE-2017-7666 is a high-severity vulnerability in Apache Openmeetings, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2017-07-17.

How severe is CVE-2017-7666?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Apache Openmeetings

CVE-2017-7666

Apache OpenMeetings 1.0.0 is vulnerable to Cross-Site Request Forgery (CSRF) attacks, XSS attacks, click-jacking, and MIME based attacks.

Vulnerability class: XSS (Cross-Site Scripting)

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

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.3th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apache Openmeetings — versions 1.0.0, 2.0, 2.1
Apache Software Foundation Openmeetings — versions 1.0.0

Weakness classification (CWE)

References

markmail.org/message/fkesu4e5hhz5xdbg (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2017-7666?: CVE-2017-7666 is a high-severity vulnerability in Apache Openmeetings, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2017-07-17.
How severe is CVE-2017-7666?: High severity. CVSS v3 base score is 8.8 out of 10.