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8 vulnerabilities by v2board
CVE-2026-37505 (GCVE-0-2026-37505)
Vulnerability from nvd – Published: 2026-05-01 00:00 – Updated: 2026-05-01 19:45
VLAI
Summary
SQL Injection via ORDER BY clause in V2Board thru 1.7.4. In app/Http/Controllers/Admin/UserController.php, the sort parameter from user input is passed directly to User::orderBy($sort, $sortType) without validation. An authenticated admin can sort users by any database column including password, remember_token, and other sensitive fields, enabling information disclosure through ordering analysis.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
2 references
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CVE-2026-37504 (GCVE-0-2026-37504)
Vulnerability from nvd – Published: 2026-05-01 00:00 – Updated: 2026-05-01 19:46
VLAI
Summary
Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers/Server/UniProxyController.php, the server authentication token is accepted via GET parameter transmission. The token appears in URLs such as /api/v1/server/UniProxy/user?token=SECRET, causing it to be recorded in web server access logs, browser history, HTTP Referer headers, and proxy/CDN logs. An attacker who gains access to any log source can extract the token and impersonate a proxy server node, potentially intercepting all user traffic.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-598 - Use of GET Request Method With Sensitive Query Strings
Assigner
References
2 references
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CVE-2026-37503 (GCVE-0-2026-37503)
Vulnerability from nvd – Published: 2026-05-01 00:00 – Updated: 2026-05-01 19:46
VLAI
Summary
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.
Severity
6.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
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CVE-2026-39912 (GCVE-0-2026-39912)
Vulnerability from nvd – Published: 2026-04-09 18:35 – Updated: 2026-06-23 16:16
VLAI
Title
v2board / Xboard Authentication Token Exposure via loginWithMailLink
Summary
V2Board 1.6.1 through 1.7.4 and Xboard through 0.1.9 expose authentication tokens in HTTP response bodies of the loginWithMailLink endpoint when the login_with_mail_link_enable feature is active. Unauthenticated attackers can POST to the loginWithMailLink endpoint with a known email address to receive the full authentication URL in the response, then exchange the token at the token2Login endpoint to obtain a valid bearer token with complete account access including admin privileges.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://chocapikk.com/posts/2026/xboard-v2board-a… | technical-descriptionexploit |
| https://github.com/v2board/v2board/pull/981 | issue-tracking |
| https://github.com/cedar2025/Xboard/pull/873 | issue-tracking |
| https://github.com/v2board/v2board/blob/0ca47622a… | related |
| https://github.com/cedar2025/Xboard/blob/1fe65319… | related |
| https://github.com/cedar2025/Xboard/blob/1fe65319… | related |
| https://github.com/cedar2025/Xboard/commit/121511… | patch |
| https://www.vulncheck.com/advisories/v2board-xboa… | third-party-advisory |
Impacted products
Credits
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CVE-2026-37503 (GCVE-0-2026-37503)
Vulnerability from cvelistv5 – Published: 2026-05-01 00:00 – Updated: 2026-05-01 19:46
VLAI
Summary
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.
Severity
6.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
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CVE-2026-37505 (GCVE-0-2026-37505)
Vulnerability from cvelistv5 – Published: 2026-05-01 00:00 – Updated: 2026-05-01 19:45
VLAI
Summary
SQL Injection via ORDER BY clause in V2Board thru 1.7.4. In app/Http/Controllers/Admin/UserController.php, the sort parameter from user input is passed directly to User::orderBy($sort, $sortType) without validation. An authenticated admin can sort users by any database column including password, remember_token, and other sensitive fields, enabling information disclosure through ordering analysis.
Severity
4.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
2 references
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CVE-2026-37504 (GCVE-0-2026-37504)
Vulnerability from cvelistv5 – Published: 2026-05-01 00:00 – Updated: 2026-05-01 19:46
VLAI
Summary
Sensitive server_token exposed via GET parameter in V2Board thru 1.7.4. In app/Http/Controllers/Server/UniProxyController.php, the server authentication token is accepted via GET parameter transmission. The token appears in URLs such as /api/v1/server/UniProxy/user?token=SECRET, causing it to be recorded in web server access logs, browser history, HTTP Referer headers, and proxy/CDN logs. An attacker who gains access to any log source can extract the token and impersonate a proxy server node, potentially intercepting all user traffic.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-598 - Use of GET Request Method With Sensitive Query Strings
Assigner
References
2 references
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CVE-2026-39912 (GCVE-0-2026-39912)
Vulnerability from cvelistv5 – Published: 2026-04-09 18:35 – Updated: 2026-06-23 16:16
VLAI
Title
v2board / Xboard Authentication Token Exposure via loginWithMailLink
Summary
V2Board 1.6.1 through 1.7.4 and Xboard through 0.1.9 expose authentication tokens in HTTP response bodies of the loginWithMailLink endpoint when the login_with_mail_link_enable feature is active. Unauthenticated attackers can POST to the loginWithMailLink endpoint with a known email address to receive the full authentication URL in the response, then exchange the token at the token2Login endpoint to obtain a valid bearer token with complete account access including admin privileges.
Severity
9.1 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-201 - Insertion of Sensitive Information Into Sent Data
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://chocapikk.com/posts/2026/xboard-v2board-a… | technical-descriptionexploit |
| https://github.com/v2board/v2board/pull/981 | issue-tracking |
| https://github.com/cedar2025/Xboard/pull/873 | issue-tracking |
| https://github.com/v2board/v2board/blob/0ca47622a… | related |
| https://github.com/cedar2025/Xboard/blob/1fe65319… | related |
| https://github.com/cedar2025/Xboard/blob/1fe65319… | related |
| https://github.com/cedar2025/Xboard/commit/121511… | patch |
| https://www.vulncheck.com/advisories/v2board-xboa… | third-party-advisory |
Impacted products
Credits
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