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CVE-2026-34229— Emlog: Stored XSS in Comment Module via URI Scheme Validation Bypass

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之前版本存在跨站脚本漏洞，该漏洞源于评论模块存在存储型跨站脚本，可能导致跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2026-34229

Vulnerability Information
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Vulnerability Title
Emlog: Stored XSS in Comment Module via URI Scheme Validation Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Emlog is an open source website building system. Prior to version 2.6.8, there is a stored cross-site scripting (XSS) vulnerability in emlog comment module via URI scheme validation bypass. This issue has been patched in version 2.6.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
emlog 跨站脚本漏洞
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之前版本存在跨站脚本漏洞，该漏洞源于评论模块存在存储型跨站脚本，可能导致跨站脚本攻击。
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 < 2.6.8 -

II. Public POCs for CVE-2026-34229

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III. Intelligence Information for CVE-2026-34229

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Vendor Advisories for CVE-2026-34229 (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-2026-34228 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-79

V. Comments for CVE-2026-34229

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