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CVE-2026-37503

Quick assessment

Affected
n/a n/a
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.

V2Board是V2Board开源的一个多用户代理服务管理面板。 V2Board 1.7.4及之前版本存在跨站脚本漏洞，该漏洞源于主题配置中custom_html字段使用Blade未转义输出，可能导致管理员通过saveThemeConfig API注入任意JavaScript，使所有站点访问者执行有效载荷，实现Cookie窃取、会话劫持或钓鱼。

CVSS 6.9 · Medium EPSS 0.29% · P19

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-37503

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-Site Scripting (XSS) in V2Board thru 1.7.4. The custom_html field in theme configuration is rendered using Blade unescaped output in public/theme/v2board/dashboard.blade.php. An admin can inject arbitrary JavaScript via the saveThemeConfig API. All site visitors execute the payload, enabling cookie theft, session hijacking, or phishing.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
V2Board 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
V2Board是V2Board开源的一个多用户代理服务管理面板。 V2Board 1.7.4及之前版本存在跨站脚本漏洞，该漏洞源于主题配置中custom_html字段使用Blade未转义输出，可能导致管理员通过saveThemeConfig API注入任意JavaScript，使所有站点访问者执行有效载荷，实现Cookie窃取、会话劫持或钓鱼。
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
- n/a n/a -

II. Public POCs for CVE-2026-37503

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III. Intelligence Information for CVE-2026-37503

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Proof of Concept for CVE-2026-37503 (1)

Vendor Pages for CVE-2026-37503 (1)

Same Patch Batch · n/a · 2026-05-01 · 53 CVEs total

CVE-2026-37541 10.0 CRITICAL Open-Vehicle-Monitoring-System-3 安全漏洞
CVE-2026-37539 9.8 CRITICAL cannelloni 安全漏洞
CVE-2026-37531 9.8 CRITICAL Automotive Grade Linux app-framework-main 路径遍历漏洞
CVE-2026-37536 8.8 HIGH Unified Diagnostic Services Support Library in C 安全漏洞
CVE-2026-37552 8.4 HIGH Mix PHP 代码问题漏洞
CVE-2026-37540 8.4 HIGH open-amp 输入验证错误漏洞
CVE-2026-37537 8.1 HIGH Open SAE J1939 输入验证错误漏洞
CVE-2026-37526 7.8 HIGH Automotive Grade Linux app-framework-binder 访问控制错误漏洞
CVE-2026-37525 7.8 HIGH Automotive Grade Linux app-framework-binder 安全漏洞
CVE-2026-37554 7.5 HIGH Vanetza 安全漏洞
CVE-2026-7598 7.3 HIGH libssh2 userauth.c userauth_password integer overflow
CVE-2026-37535 7.1 HIGH ISO-TP (ISO 15765-2) Support Library in C 缓冲区错误漏洞
CVE-2026-37532 7.1 HIGH Automotive Grade Linux agl-service-can-low-level 安全漏洞
CVE-2026-7536 5.3 MEDIUM Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service
CVE-2026-7580 5.3 MEDIUM Exiftool JPEG/QuickTime/MOV/MP4 GM.pm Process_mrld code injection
CVE-2026-37504 5.3 MEDIUM V2Board 安全漏洞
CVE-2026-37505 4.9 MEDIUM V2Board SQL注入漏洞
CVE-2026-7578 4.7 MEDIUM MacCMS Pro Plugin Installation add.html install unrestricted upload
CVE-2026-7587 4.3 MEDIUM Open5GS AMF nsmf-handler.c amf_nsmf_pdusession_handle_update_sm_context denial of service
CVE-2026-7518 4.3 MEDIUM Open5GS AMF SBI Endpoint sdmsubscription-notify amf_namf_callback_handle_sdm_data_change_n

Showing top 20 of 53 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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