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CVE-2026-0256

PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface

Published: May 13, 2026Updated: Jul 14, 2026 Sources: CVE List NVD BDU csafCWE-79
4.8MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 92.4%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

Palo Alto Networks has published [1] information on vulnerabilities in PAN-OS. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Siemens is preparing fix versions and recommends countermeasures for products where fixes are not, or not yet available. Customers are advised to consult and implement the workarounds provided in Palo Alto Networks' upstream security notifications. [1] https://security.paloaltonetworks.com/

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

Palo Alto Networks
commercial·USaka cloud ngfw, pan-os, prisma access
Cloud NGFW
Security Products
PAN-OS
Security Products
Prisma Access
Security Products
Palo Alto Networks Inc.
commercial·USaka paloaltonetworks, pan inc., palo alto networks, panw
PAN-OS
Security Products
siemens
commercial·DEaka siemens ag
ruggedcom ape1808 firmware
ICS / OT / IoT
and 1 more affected products View all →

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://security.paloaltonetworks.com/CVE-2026-0256
security.paloaltonetworks.com
https://cert-portal.siemens.com/productcert/csaf/ssa-967325.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-967325.html
cert-portal.siemens.com
and 32 more references View all →

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