CVE-2026-9357— vBulletin Login cross site scripting
Possible ATT&CK Techniques 3AI
T1059 · Command and Scripting Interpreter T1071 · Application Layer Protocol T1189 · Drive-by CompromiseGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-9357
Vulnerability Information
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Vulnerability Title
vBulletin Login cross site scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in vBulletin 6.x. This impacts an unknown function of the component Login. Performing a manipulation results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used. VulDB is withholding an extended redistribution of exploit details to prevent simplified exploitation. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | vBulletin | 6.* | cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-9357
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-9357 (1)
- VulDB | Security Checkvdb-entry
Same Patch Batch · n/a · 2026-05-24 · 5 CVEs total
| CVE-2026-9376 | 6.3 MEDIUM | JPress UCenter Article Submission Endpoint doWriteSave improper authorization |
| CVE-2026-9365 | 5.6 MEDIUM | Ettercap GG Dissector ec_gg.c FUNC_DECODER heap-based overflow |
| CVE-2026-9358 | 4.3 MEDIUM | postcss AST Serialization container.js toString recursion |
| CVE-2026-9373 | 3.7 LOW | JeecgBoot OpenAPI Endpoint call improper authentication |
IV. Related Vulnerabilities
Same vendor: n/a
- CVE-2026-9422
KLiK SocialMediaWebsite HTTP POST Request Parameter injectio - CVE-2026-9421
KLiK SocialMediaWebsite File upload.inc.php uniqid unrestric - CVE-2026-9420
KLiK SocialMediaWebsite HTTP GET Request Parameter injection - CVE-2026-9376
JPress UCenter Article Submission Endpoint doWriteSave impro - CVE-2026-9373
JeecgBoot OpenAPI Endpoint call improper authentication
Same weakness: CWE-79
- CVE-2026-9519
stonith404 pingvin-share Sign-in Auto-Redirect signIn.tsx ge - CVE-2026-9518
hemant6488 CodeIgniter-StudentManagementSystem Students Cont - CVE-2026-45435
WordPress WP Activity Log plugin <= 5.6.3 - Cross Site Scrip - CVE-2025-62745
WordPress Team Showcase plugin <= 1.22.28 - Cross Site Scrip - CVE-2026-48849
Roundcube Webmail 存储型XSS漏洞
V. Comments for CVE-2026-9357
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