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Fencer Intel
medium 4.3

CVE-2015-2294 json

Multiple cross-site scripting (XSS) vulnerabilities in the WebGUI in pfSense before 2.2.1 allow remote attackers to inject arbitrary web sc…

published 2015-04-01 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-2392

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
24.0%
EPSS 24.0% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in the WebGUI in pfSense before 2.2.1 allow remote attackers to inject arbitrary web script or HTML via the (1) zone parameter to status_captiveportal.php; (2) if or (3) dragtable parameter to firewall_rules.php; (4) queue parameter in an add action to firewall_shaper.php; (5) id parameter in an edit action to services_unbound_acls.php; or (6) filterlogentries_time, (7) filterlogentries_sourceipaddress, (8) filterlogentries_sourceport, (9) filterlogentries_destinationipaddress, (10) filterlogentries_interfaces, (11) filterlogentries_destinationport, (12) filterlogentries_protocolflags, or (13) filterlogentries_qty parameter to diag_logs_filter.php.

Exploit prediction

24.01% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • exploit-db.com https://www.exploit-db.com/exploits/36506/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/131022/pfSense-2.2-Cross-Site-Request-Forgery-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
  • htbridge.com https://www.htbridge.com/advisory/HTB23251 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

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.