What is CVE-2016-2955?

CVE-2016-2955 is a medium-severity vulnerability in IBM Connections, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2016-12-01.

How severe is CVE-2016-2955?

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

XSS in IBM Connections

CVE-2016-2955

Cross-site scripting (XSS) vulnerability in IBM Connections 5.0 before CR4 and 5.5 before CR1 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2016-12-01 · 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: 0.006 (48.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

IBM Connections — versions 5.0.0.0, 5.5.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www-01.ibm.com/support/docview.wss (Patch, Vendor Advisory)
www.securityfocus.com/bid/92544 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-2955?: CVE-2016-2955 is a medium-severity vulnerability in IBM Connections, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2016-12-01.
How severe is CVE-2016-2955?: Medium severity. CVSS v3 base score is 5.4 out of 10.