CVE-2026-8353
Concrete CMS is vulnerable to Stored XSS via page name in the Atomik theme
EPSS 0.15%
描述
Concrete CMS version 9.0 to 9.5.0 is vulnerable to Stored XSS via page name in the Atomik theme. A rogue editor can inject arbitrary JavaScript that executes in the context of any authenticated user visiting the affected account pages. This can lead to session hijacking, credential theft, malicious actions performed on behalf of users, and potential privilege escalation. Thanks Yonatan Drori (Tenzai) for reporting.
如何修補 CVE-2026-8353
要修補 CVE-2026-8353,請將受影響套件升級到下列已修補版本。
- Packagist/concrete5/concrete5—升級至 9.5.1 或更新版本
CVE-2026-8353 正在被利用嗎?
低 — EPSS 為 0.1%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- >= 9.0.0RC.1, < 9.5.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |