How severe is CVE-2018-20165?

CVE-2018-20165 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-2018-20165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20165?

CVE-2018-20165 affects Opentext Opentext Portal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20165?

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

When was CVE-2018-20165 published?

CVE-2018-20165 was published on 2019-03-22 and last updated on 2026-06-17.

CVE-2018-20165

CVE-2018-20165 is a medium-severity vulnerability in Opentext Opentext Portal 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: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Opentext Opentext Portal
Published: 2019-03-22
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in OpenText Portal 7.4.4 allows remote attackers to inject arbitrary web script or HTML via the vgnextoid parameter to a menuitem URI.

Frequently asked questions

What is CVE-2018-20165?: Cross-site scripting (XSS) vulnerability in OpenText Portal 7.4.4 allows remote attackers to inject arbitrary web script or HTML via the vgnextoid parameter to a menuitem URI.
How severe is CVE-2018-20165?: CVE-2018-20165 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-2018-20165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20165?: CVE-2018-20165 affects Opentext Opentext Portal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20165?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20165 published?: CVE-2018-20165 was published on 2019-03-22 and last updated on 2026-06-17.

References

https://github.com/hect0rS/Reflected-XSS-on-Opentext-Portal-v7.4.4/blob/master/readme.md

Affected products (1)

cpe:2.3:a:opentext:opentext_portal:7.4.4:*:*:*:*:*:*:*

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