How severe is CVE-2019-17131?

CVE-2019-17131 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2019-17131 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-2019-17131?

CVE-2019-17131 affects Vbulletin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17131?

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

When was CVE-2019-17131 published?

CVE-2019-17131 was published on 2019-10-04 and last updated on 2026-06-17.

CVE-2019-17131

CVE-2019-17131 is a medium-severity vulnerability in Vbulletin with a CVSS 3.x base score of 4.3. 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-1021.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Vbulletin
Published: 2019-10-04
Last modified: 2026-06-17

Description

vBulletin before 5.5.4 allows clickjacking.

Frequently asked questions

What is CVE-2019-17131?: vBulletin before 5.5.4 allows clickjacking.
How severe is CVE-2019-17131?: CVE-2019-17131 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2019-17131 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-2019-17131?: CVE-2019-17131 affects Vbulletin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-17131 published?: CVE-2019-17131 was published on 2019-10-04 and last updated on 2026-06-17.

References

https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4421373-vbulletin-connect-5-5-4-is-now-available-for-download

Affected products (1)

cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*

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