How severe is CVE-2017-12645?

CVE-2017-12645 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-2017-12645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12645?

CVE-2017-12645 affects Liferay Liferay Portal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12645?

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

When was CVE-2017-12645 published?

CVE-2017-12645 was published on 2017-08-07 and last updated on 2026-06-17.

CVE-2017-12645

CVE-2017-12645 is a medium-severity vulnerability in Liferay Liferay 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: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Liferay Liferay Portal
Published: 2017-08-07
Last modified: 2026-06-17

Description

XSS exists in Liferay Portal before 7.0 CE GA4 via an invalid portletId.

Frequently asked questions

What is CVE-2017-12645?: XSS exists in Liferay Portal before 7.0 CE GA4 via an invalid portletId.
How severe is CVE-2017-12645?: CVE-2017-12645 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-2017-12645 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12645?: CVE-2017-12645 affects Liferay Liferay Portal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12645?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-12645 published?: CVE-2017-12645 was published on 2017-08-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:liferay:liferay_portal:*:ga3:*:*:*:*:*:*

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