CVE-2026-30879— baserCMS: Cross-site scripting vulnerability in blog post
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I. Basic Information for CVE-2026-30879
Vulnerability Information
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Vulnerability Title
baserCMS: Cross-site scripting vulnerability in blog post
Source: NVD (National Vulnerability Database)
Vulnerability Description
baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has a cross-site scripting vulnerability in blog posts. This issue has been patched in version 5.2.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
baserCMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
baserCMS是baserCMS团队的一套企业级内容管理系统（CMS）。 baserCMS 5.2.3之前版本存在跨站脚本漏洞，该漏洞源于博客文章相关功能模块，容易受到跨站脚本攻击。
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 |
|---|---|---|---|---|
| baserproject | basercms | < 5.2.3 | - |
II. Public POCs for CVE-2026-30879
| # | POC Description | Source Link | Shenlong Link |
|---|
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- 2026/03/26 baserCMSにXSSをはじめとする複数の脆弱性x_refsource_MISC
- Release baserCMS 5.2.3 リリース · baserproject/basercms · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-30879
Same Patch Batch · baserproject · 2026-03-31 · 9 CVEs total
| CVE-2026-21861 | 9.1 CRITICAL | baserCMS: OS Command Injection Leading to Remote Code Execution (RCE) |
| CVE-2026-30877 | 9.1 CRITICAL | baserCMS: OS Command Injection in the baserCMS Update Functionality |
| CVE-2025-32957 | 8.7 HIGH | baserCMS: unsafe File Upload Leading to Remote Code Execution (RCE) |
| CVE-2026-30940 | 7.2 HIGH | baserCMS: Path Traversal in Theme File API Leads to Arbitrary File Write and RCE |
| CVE-2026-32734 | 7.1 HIGH | baserCMS: Multiple vulnerabilities in baserCMS |
| CVE-2026-30878 | 5.3 MEDIUM | baserCMS: Mail Form Acceptance Bypass via Public API |
| CVE-2026-27697 | baserCMS: SQL injection vulnerability in blog post | |
| CVE-2026-30880 | baserCMS: OS command injection vulnerability in installer |
IV. Related Vulnerabilities
Same product: basercms
- CVE-2026-32734
baserCMS: Multiple vulnerabilities in baserCMS - CVE-2026-30940
baserCMS: Path Traversal in Theme File API Leads to Arbitrar - CVE-2026-30878
baserCMS: Mail Form Acceptance Bypass via Public API - CVE-2026-30877
baserCMS: OS Command Injection in the baserCMS Update Functi - CVE-2026-30880
baserCMS: OS command injection vulnerability in installer
Same vendor: baserproject
- CVE-2026-32734
baserCMS: Multiple vulnerabilities in baserCMS - CVE-2026-30940
baserCMS: Path Traversal in Theme File API Leads to Arbitrar - CVE-2026-30878
baserCMS: Mail Form Acceptance Bypass via Public API - CVE-2026-30877
baserCMS: OS Command Injection in the baserCMS Update Functi - CVE-2026-30880
baserCMS: OS command injection vulnerability in installer
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
Devs Palace ERP Online mr-save cross site scripting - CVE-2026-8255
Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2026-30879
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