CVE-2026-2994— Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group
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I. Basic Information for CVE-2026-2994
Vulnerability Information
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Vulnerability Title
Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group
Source: NVD (National Vulnerability Database)
Vulnerability Description
Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group_id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z3rco for reporting
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Concrete CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Concrete CMS是Concrete CMS开源的一个面向团队的开源内容管理系统。 Concrete CMS 9.4.8之前版本存在安全漏洞，该漏洞源于Anti-Spam Allowlist Group Configuration中group_id参数存在跨站请求伪造，可能导致安全绕过。
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 |
|---|---|---|---|---|
| Concrete CMS | Concrete CMS | - | - |
II. Public POCs for CVE-2026-2994
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Concrete CMS · 2026-03-04 · 6 CVEs total
| CVE-2026-3244 | Concrete CMS below version 9.4.8 is vulnerable to Stored XSS in Search Results via Page Na | |
| CVE-2026-3452 | Concrete CMS below 9.4.8 is vulnerable to stored deserialization leading to RCE in the Exp | |
| CVE-2026-3241 | Concrete CMS below version 9.4.8 is vulnerable to a stored cross-site scripting (XSS) in t | |
| CVE-2026-3242 | Concrete CMS below 9.4.8 is vulnerable to Stored XSS in the Switch Language block | |
| CVE-2026-3240 | Concrete CMS below 9.4.8 is vulnerable to Stored XSS via Legacy form |
IV. Related Vulnerabilities
Same product: Concrete CMS
- CVE-2026-3240
Concrete CMS below 9.4.8 is vulnerable to Stored XSS via Leg - CVE-2026-3241
Concrete CMS below version 9.4.8 is vulnerable to a stored c - CVE-2026-3242
Concrete CMS below 9.4.8 is vulnerable to Stored XSS in the - CVE-2026-3244
Concrete CMS below version 9.4.8 is vulnerable to Stored XSS - CVE-2026-3452
Concrete CMS below 9.4.8 is vulnerable to stored deserializa
Same vendor: Concrete CMS
- CVE-2026-3240
Concrete CMS below 9.4.8 is vulnerable to Stored XSS via Leg - CVE-2026-3241
Concrete CMS below version 9.4.8 is vulnerable to a stored c - CVE-2026-3242
Concrete CMS below 9.4.8 is vulnerable to Stored XSS in the - CVE-2026-3244
Concrete CMS below version 9.4.8 is vulnerable to Stored XSS - CVE-2026-3452
Concrete CMS below 9.4.8 is vulnerable to stored deserializa
Same weakness: CWE-352
- CVE-2021-47953
OpenCart 3.0.3.7 Cross-Site Request Forgery via account/pass - CVE-2021-47946
OpenCart 3.0.36 Account Takeover via Cross Site Request Forg - CVE-2022-50955
WordPress Plugin Curtain 1.0.2 Cross-site Request Forgery - CVE-2026-8194
osTicket Dispatcher class.dispatcher.php cross-site request - CVE-2026-42286
Emlog: Cross-Site Request Forgery in Admin Functions
V. Comments for CVE-2026-2994
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