EIP-2026-102018

PRE-CVE

SonicWALL SonicOS 5.8.1.8 WAF - Cross-Site Scripting

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102018. PoCs published by Vulnerability-Lab.

AI-analyzed exploit summary This is a detailed technical writeup describing a persistent POST injection vulnerability in SonicWall SonicOS 5.8.1.8. The vulnerability allows attackers to inject malicious script code via the `searchStr` parameter in the `appFirewallObjects` module, leading to persistent XSS.

Description

SonicWALL SonicOS 5.8.1.8 WAF - Cross-Site Scripting

Exploits (1)

exploitdb WRITEUP
by Vulnerability-Lab · textwebappshardware
https://www.exploit-db.com/exploits/23498

This is a detailed technical writeup describing a persistent POST injection vulnerability in SonicWall SonicOS 5.8.1.8. The vulnerability allows attackers to inject malicious script code via the `searchStr` parameter in the `appFirewallObjects` module, leading to persistent XSS.

Classification
Writeup 95%
Attack Type
Xss
Complexity
Moderate
Reliability
Reliable
Target: SonicWall SonicOS v5.8.1.8
Auth required
Prerequisites: Low-privileged application user account · Access to the vulnerable module
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026