How severe is CVE-2015-5399?

CVE-2015-5399 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2015-5399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5399?

CVE-2015-5399 affects Phpvibe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-5399?

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

When was CVE-2015-5399 published?

CVE-2015-5399 was published on 2016-08-26 and last updated on 2026-06-17.

CVE-2015-5399

CVE-2015-5399 is a medium-severity vulnerability in Phpvibe with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phpvibe
Published: 2016-08-26
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in PHPVibe before 4.21 allows remote authenticated users to inject arbitrary web script or HTML via a comment.

Frequently asked questions

What is CVE-2015-5399?: Cross-site scripting (XSS) vulnerability in PHPVibe before 4.21 allows remote authenticated users to inject arbitrary web script or HTML via a comment.
How severe is CVE-2015-5399?: CVE-2015-5399 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2015-5399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5399?: CVE-2015-5399 affects Phpvibe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-5399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5399 published?: CVE-2015-5399 was published on 2016-08-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpvibe:phpvibe:*:*:*:*:*:*:*:*

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