IBM WebSphere Portal 7.0, 8.0, 8.5, and 9.0 is vulnerable to cross-site scripting.

published 2018-02-27 8y ago modified 2026-06-17 4mo ago also EUVD-2018-11995

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits: 0; none known

IBM WebSphere Portal 7.0, 8.0, 8.5, and 9.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 138822.

Patch / fix

links 1

ibm.com/support/docview.wss?uid=swg22013706 advisory

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Exploit prediction

1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

IBM WebSphere Portal

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

ibm.com /support/docview.wss?uid=swg22013706
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/138822
vdb-entry, vendor-advisory
securityfocus.com /bid/103168
vdb-entry, third-party-advisory

Sources

CVE List CVE-2018-1416
NVD CVE-2018-1416

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