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Fencer Intel
medium 6.1

CVE-2014-6420 json

Cross-site scripting (XSS) vulnerability in Livefyre LiveComments 3.0 allows remote attackers to inject arbitrary web script or HTML via th…

published 6y ago modified 4mo ago also EUVD-2014-6300

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
1
Exploit-DB

Summary

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.

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Timeline

  1. First public exploit (EDB-34721)
  2. Published

Exploit prediction

1.77% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-34721 Livefyre LiveComments Plugin - Persistent Cross-Site Scripting webapps, 2014-09-20

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.