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CVE-2026-0266 PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface (Severity: LOW)

lowCVE-2026-0266

CSIRTS triage

vendor: Palo Alto Networksproduct: PAN-OSCross-site scripting
What
A stored cross-site scripting (XSS) vulnerability exists in the web interface.
Who is affected
Users of the PAN-OS web interface are affected.
Urgency
Remediation is recommended due to the low severity of the vulnerability.
Action
Update to the latest version of PAN-OS.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Palo Alto Networks Security Advisories (INTL · vendor-psirt · site)
Severity
low
Published
2026-06-10
Exploitation
Not in CISA KEV at last sync

Original advisory: https://security.paloaltonetworks.com/CVE-2026-0266

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-0266coverage & exploitation statusNVD · CVE.org

Recent advisories for PAN-OS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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