MEDIUM
CVE-2015-4029
CWE-79Published: August 18, 2015· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official Description
Cross-site scripting (XSS) vulnerability in the WebGUI in pfSense before 2.2.3 allows remote attackers to inject arbitrary web script or HTML via the zone parameter in a del action to services_captiveportal_zones.php.
Technical Analysis
CVE-2015-4029 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityNone
AV:N/AC:M/Au:N/C:N/I:P/A:N
Affected Vendors & Products
netgate1 product(s)
pfsense
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://www.pfsense.org/security/advisories/pfSense-SA-15_06.webgui.ascExploit · Vendor Advisory
→
https://www.pfsense.org/security/advisories/pfSense-SA-15_06.webgui.ascExploit · Vendor Advisory
Quick Facts
CVE IDCVE-2015-4029
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedAug 18, 2015
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-4029 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.