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CVE-2026-107248

Quick assessment

Affected
Thelia Thelia
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.

Thelia 3.0.0 的后端管理界面中的“电子邮件/消息”功能存在服务器端模板注入（SSTI）漏洞。该漏洞允许拥有“消息”权限的任何已认证用户提供未沙箱化的 Twig 模板，这些模板随后会被编译并作为原始代码执行。通过修改消息内容，攻击者可以执行任意的 PHP 函数、读取敏感文件，甚至可能写入文件系统，从而导致整个应用程序及其底层主机被完全控制。该漏洞已在 thelia/twig-engine-module 1.0.9 版本中修复。

AI Predicted 9.8 Difficulty: Easy

Affected Version Matrix 1

VendorProduct Version RangeStatus
Thelia Thelia 3.0.0 affected
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I. Basic Information for CVE-2026-107248

Vulnerability Information
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Vulnerability Title
CVE-2026-107248
Source: CVE Program / CVE List V5
Vulnerability Description
Thelia 3.0.0's back-office Email/Messages feature contains a server‑side template injection (SSTI) flaw that allows any authenticated user with the “Messages” permission to supply unsandboxed Twig templates, which are then compiled and executed as raw code. By modifying Message content, an attacker can execute arbitrary PHP functions, read sensitive files, and potentially write to the filesystem, leading to full compromise of the application and underlying host. This vulnerability has been patched in thelia/twig-engine-module 1.0.9.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Thelia Thelia 3.0.0 -

II. Public POCs for CVE-2026-107248

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III. Intelligence Information for CVE-2026-107248

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Vendor Advisories for CVE-2026-107248 (1)

Same Patch Batch · Thelia · 2026-10-12 · 13 CVEs total

CVE-2026-109397 7.2 HIGH Thelia before 3.1.2 and 3.2.x before 3.2.1 File Upload RCE via Filename Trailing Space
CVE-2026-109396 4.2 MEDIUM Thelia before 3.1.2 and 3.2.x before 3.2.1 CSV Formula Injection via Exports
CVE-2026-103521 CVE-2026-103521
CVE-2026-103524 CVE-2026-103524
CVE-2026-103523 CVE-2026-103523
CVE-2026-103522 CVE-2026-103522
CVE-2026-103526 CVE-2026-103526
CVE-2026-103529 CVE-2026-103529
CVE-2026-103537 CVE-2026-103537
CVE-2026-103528 CVE-2026-103528
CVE-2026-103527 CVE-2026-103527
CVE-2026-103535 CVE-2026-103535

IV. Related Vulnerabilities

Same product: Thelia
Same vendor: Thelia

V. Comments for CVE-2026-107248

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