How severe is CVE-2014-6420?

CVE-2014-6420 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-2014-6420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-6420?

CVE-2014-6420 affects Livefyre Livecomments. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-6420?

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

When was CVE-2014-6420 published?

CVE-2014-6420 was published on 2019-12-27 and last updated on 2026-06-17.

CVE-2014-6420

CVE-2014-6420 is a medium-severity vulnerability in Livefyre Livecomments 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% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Livefyre Livecomments
Published: 2019-12-27
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Livefyre LiveComments 3.0 allows remote attackers to inject arbitrary web script or HTML via the name of an uploaded picture.

Frequently asked questions

What is CVE-2014-6420?: Cross-site scripting (XSS) vulnerability in Livefyre LiveComments 3.0 allows remote attackers to inject arbitrary web script or HTML via the name of an uploaded picture.
How severe is CVE-2014-6420?: CVE-2014-6420 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-2014-6420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-6420?: CVE-2014-6420 affects Livefyre Livecomments. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-6420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-6420 published?: CVE-2014-6420 was published on 2019-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:livefyre:livecomments:3.0:*:*:*:*:*:*:*

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