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CVE-2026-0308

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

No known exploitation. EPSS puts it in the 44th percentile. Fixed versions are out.

CVSS —Not scoredEPSS percentile44th0.5% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix3 products5 fixed builds listed below
Check it yourself

OpenVAS · 1 check

e.g. OID 1.3.6.1.4.1.25623.1.0.157884

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Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Palo Alto Networks Cloud NGFWFixed buildsAllStated by: CVE record
  • Palo Alto Networks PAN-OSAffected: ≥ 12.1.0, < 12.1.10Upgrade to: 12.1.10Affected: ≥ 11.2.0, < 11.2.13-h2Upgrade to: 11.2.13-h2Affected: ≥ 11.1.0, < 11.1.16-h2Upgrade to: 11.1.16-h2Fixed builds12.2.0Stated by: CVE record
  • Palo Alto Networks Prisma AccessFixed buildsAllStated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

A stored cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store or execute a JavaScript payload using the web interface. This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series). Cloud NGFW and Prisma® Access are not affected by this vulnerability.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS44th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.5% chance of exploitation activity in the next 30 days, which ranks it in the 44th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

13 events over 35 days, from the signal feeds we watch.

  1. Patch availableworkaround available, record updated
  2. OpenVAS check added
  3. Patch availablepatch available, workaround available, workaround available, published, weakness classified, att&ck mapped, record updated, record updated

Affected products

Technical detail

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

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