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CVE-2026-34787— Emlog: Local File Inclusion in plugin.php via unsanitized plugin parameter

Quick assessment

Affected
emlog emlog
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.

emlog是emlog开源的一套基于PHP和MySQL的CMS建站系统。 emlog 2.6.2及之前版本存在安全漏洞，该漏洞源于admin/plugin.php中$plugin参数未经适当清理直接用于require_once路径，可能导致本地文件包含攻击。

CVSS 6.5 · Medium EPSS 0.56% · P45
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I. Basic Information for CVE-2026-34787

Vulnerability Information
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Vulnerability Title
Emlog: Local File Inclusion in plugin.php via unsanitized plugin parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Emlog is an open source website building system. In versions 2.6.2 and prior, a Local File Inclusion (LFI) vulnerability exists in admin/plugin.php at line 80. The $plugin parameter from the GET request is directly used in a require_once path without proper sanitization. If the CSRF token check can be bypassed (see potential bypass conditions), an attacker can include arbitrary PHP files from the server filesystem, leading to code execution. At time of publication, there are no publicly available patches.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
PHP程序中Include/Require语句包含文件控制不恰当(PHP远程文件包含)
Source: CVE Program / CVE List V5
Vulnerability Title
emlog 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
emlog是emlog开源的一套基于PHP和MySQL的CMS建站系统。 emlog 2.6.2及之前版本存在安全漏洞，该漏洞源于admin/plugin.php中$plugin参数未经适当清理直接用于require_once路径，可能导致本地文件包含攻击。
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
emlog emlog <= 2.6.2 -

II. Public POCs for CVE-2026-34787

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III. Intelligence Information for CVE-2026-34787

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Vendor Advisories for CVE-2026-34787 (1)

Same Patch Batch · emlog · 2026-04-03 · 5 CVEs total

CVE-2026-34607 7.2 HIGH Emlog: Path Traversal in emUnZip() allows arbitrary file write leading to RCE
CVE-2026-34788 6.5 MEDIUM Emlog: SQL Injection in tag_model::updateTagName() via unsanitized parameters
CVE-2026-34229 6.1 MEDIUM Emlog: Stored XSS in Comment Module via URI Scheme Validation Bypass
CVE-2026-34228 Emlog: CSRF in Backend Upgrade Interface Leading to Arbitrary Remote SQL Execution and Arb

IV. Related Vulnerabilities

Same product: emlog
Same vendor: emlog
Same weakness: CWE-98

V. Comments for CVE-2026-34787

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