Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-0308— PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface

Quick assessment

Affected
Palo Alto Networks Cloud NGFW
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Palo Alto Networks PAN-OS是美国Palo Alto Networks公司的一款集防火墙与入侵防御功能于一体的网络安全操作系统。 Palo Alto Networks PAN-OS 12.1.10版本之前的12.1.x版本、11.2.13-h2版本之前的11.2.x版本和11.1.16-h2版本之前的11.1.x版本存在跨站脚本漏洞，该漏洞源于Web界面存在存储型跨站脚本问题，可能导致恶意的已认证管理员存储或执行JavaScript有效载荷。

CVSS 0.4 · Low EPSS 0.51% · P43

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 6

VendorProduct Version RangeStatus
Palo Alto Networks Cloud NGFW All unaffected
Palo Alto Networks PAN-OS 12.2.0< 12.2.3 unaffected
12.1.0< 12.1.10 affected
11.2.0< 11.2.13-h2 affected
11.1.0< 11.1.16-h2 affected
Palo Alto Networks Prisma Access All< 12.1.4-h10 unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-0308

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Networks PAN-OS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Networks PAN-OS是美国Palo Alto Networks公司的一款集防火墙与入侵防御功能于一体的网络安全操作系统。 Palo Alto Networks PAN-OS 12.1.10版本之前的12.1.x版本、11.2.13-h2版本之前的11.2.x版本和11.1.16-h2版本之前的11.1.x版本存在跨站脚本漏洞，该漏洞源于Web界面存在存储型跨站脚本问题，可能导致恶意的已认证管理员存储或执行JavaScript有效载荷。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Palo Alto Networks Cloud NGFW - -
Palo Alto Networks PAN-OS 12.1.0 ~ 12.1.10 cpe:2.3:o:palo_alto_networks:pan-os:12.1.9:*:*:*:*:*:*:*
Palo Alto Networks Prisma Access All ~ 12.1.4-h10 -

II. Public POCs for CVE-2026-0308

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-0308

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-0308 (1)

Same Patch Batch · Palo Alto Networks · 2026-09-10 · 9 CVEs total

CVE-2026-0307 5.9 MEDIUM GlobalProtect App: Local Privilege Escalation Vulnerabilities
CVE-2026-0306 5.8 MEDIUM Prisma Access Agent: EndPoint DLP Bypass Vulnerability on Windows
CVE-2026-0310 5.2 MEDIUM PAN-OS: Buffer Overflow Vulnerability via XML Processing
CVE-2026-0304 4.8 MEDIUM Cortex XDR Broker VM: Privilege Escalation Vulnerability
CVE-2026-0305 4.3 MEDIUM Prisma Access Agent: Information Disclosure Vulnerability on Linux
CVE-2026-0309 4.0 MEDIUM PAN-OS: Authenticated Command Injection in CLI with Luna HSM Configuration
CVE-2026-0303 2.4 LOW Checkov by Prisma Cloud: Code Execution via Auto-Loaded Configuration File
CVE-2026-0302 1.1 LOW Checkov by Prisma Cloud: OS Command Injection Vulnerability

IV. Related Vulnerabilities

Same product: Cloud NGFW
Same vendor: Palo Alto Networks
Same weakness: CWE-79