CVE-2026-78902
Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to...
Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package
- Record
CVE-2026-78902- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-87083
Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package
- Record
EUVD-2026-87083- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c2hj-8667-88fr
Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to...
Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package
- Record
GHSA-c2hj-8667-88fr- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Cross Site Scripting vulnerability in Netgate pfSense 26.03.1-RELEASE allows an attacker to execute arbitrary code via the pfBlockerNG package
- Record
CVE-2026-78902- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-78902 is a medium vulnerability (CVSS 6.1), published September 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.