How severe is CVE-2018-16955?

CVE-2018-16955 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-16955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16955?

CVE-2018-16955 affects Oracle Webcenter Interaction. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16955?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-16955 published?

CVE-2018-16955 was published on 2018-09-18 and last updated on 2026-06-17.

CVE-2018-16955

CVE-2018-16955 is a medium-severity vulnerability in Oracle Webcenter Interaction with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Oracle Webcenter Interaction
Published: 2018-09-18
Last modified: 2026-06-17

Description

The login function of Oracle WebCenter Interaction Portal 10.3.3 is vulnerable to reflected cross-site scripting (XSS). The content of the in_hi_redirect parameter, when prefixed with the https:// scheme, is unsafely reflected in a HTML META tag in the HTTP response. NOTE: this CVE is assigned by MITRE and isn't validated by Oracle because Oracle WebCenter Interaction Portal is out of support.

Frequently asked questions

What is CVE-2018-16955?: The login function of Oracle WebCenter Interaction Portal 10.3.3 is vulnerable to reflected cross-site scripting (XSS). The content of the in_hi_redirect parameter, when prefixed with the https:// scheme, is unsafely reflected in a HTML META tag in the HTTP response. NOTE: this CVE is assigned by MITRE and isn't validated by Oracle because Oracle WebCenter Interaction Portal is out of support.
How severe is CVE-2018-16955?: CVE-2018-16955 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-16955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16955?: CVE-2018-16955 affects Oracle Webcenter Interaction. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16955 published?: CVE-2018-16955 was published on 2018-09-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oracle:webcenter_interaction:10.3.3:*:*:*:*:*:*:*

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