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Fencer Intel
medium 4.3

CVE-2015-4084 json

Cross-site scripting (XSS) vulnerability in the Free Counter plugin 1.1 for WordPress allows remote attackers to inject arbitrary web scrip…

published 2015-05-28 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-4109

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.5%
EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerability in the Free Counter plugin 1.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the value_ parameter in a check_stat action to wp-admin/admin-ajax.php.

Timeline

  1. First public exploit (EDB-37132)
  2. Published

Exploit prediction

4.53% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-37132 WordPress Plugin Free Counter 1.1 - Persistent Cross-Site Scripting webapps, 2015-05-27
  • packetstormsecurity.com http://packetstormsecurity.com/files/132062/WordPress-Free-Counter-1.1-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
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
Technology feeds

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.