CVE-2026-56128: pfSense Plus < 26.07 / CE < 2.9.0 Stored XSS via firewall_schedule_edit.php
Netgate · pfSense Plus
Vendor fix available · Affected: Netgate pfSense Plus · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 64% of scored CVEs
DescriptionCVE.org
pfSense Plus before 26.07 and CE before 2.9.0 allow authenticated users with the Firewall: Schedules: Edit privilege to inject arbitrary JavaScript via the descr parameter in /firewall_schedule_edit.php. The schedule description is stored without HTML sanitization and subsequently inserted into an HTML attribute value in /firewall_rules.php with only single-quote escaping applied, permitting double-quote breakout. The payload executes in the browser of any user with the Firewall: Rules privilege who views the rules list with the affected schedule attached.
Affected products2
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Netgate · pfSense Plusbefore 26.07
- Netgate · pfSense CEbefore 2.9.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Cross-site Scripting
- Vendor
- Netgate
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-56128 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.