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CVE-2026-34228— Emlog: CSRF in Backend Upgrade Interface Leading to Arbitrary Remote SQL Execution and Arbitrary File Write

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 2.6.8之前版本存在跨站请求伪造漏洞，该漏洞源于后端升级接口未验证CSRF令牌，可能导致任意SQL执行和任意文件写入。

AI Predicted 9.1 Difficulty: Easy EPSS 0.22% · P11
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I. Basic Information for CVE-2026-34228

Vulnerability Information
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Vulnerability Title
Emlog: CSRF in Backend Upgrade Interface Leading to Arbitrary Remote SQL Execution and Arbitrary File Write
Source: CVE Program / CVE List V5
Vulnerability Description
Emlog is an open source website building system. Prior to version 2.6.8, the backend upgrade interface accepts remote SQL and ZIP URLs via GET parameters. The server first downloads and executes the SQL file, then downloads the ZIP file and extracts it directly into the web root directory. This process does not validate a CSRF token. Therefore, an attacker only needs to trick an authenticated administrator into visiting a malicious link to achieve arbitrary SQL execution and arbitrary file write. This issue has been patched in version 2.6.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
emlog 跨站请求伪造漏洞
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 2.6.8之前版本存在跨站请求伪造漏洞，该漏洞源于后端升级接口未验证CSRF令牌，可能导致任意SQL执行和任意文件写入。
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 < 2.6.8 -

II. Public POCs for CVE-2026-34228

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III. Intelligence Information for CVE-2026-34228

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Vendor Advisories for CVE-2026-34228 (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-2026-34787 6.5 MEDIUM Emlog: Local File Inclusion in plugin.php via unsanitized plugin parameter
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

IV. Related Vulnerabilities

Same product: emlog
Same vendor: emlog
Same weakness: CWE-352

V. Comments for CVE-2026-34228

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