CVE-2025-2123— GeSHi CSS cssgen.php get_var cross site scripting
Quick assessment
Affected
n/a GeSHi
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.
GeSHi是Generic Syntax Highlighter开源的一个 PHP 通用语法高亮器。 GeSHi 1.0.9.1及之前版本存在代码注入漏洞，该漏洞源于对参数default-styles、keywords-1、keywords-2、keywords-3、keywords-4和comments的错误操作会导致跨站脚本。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-2123
Vulnerability Information
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Vulnerability Title
GeSHi CSS cssgen.php get_var cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as problematic, has been found in GeSHi up to 1.0.9.1. Affected by this issue is the function get_var of the file /contrib/cssgen.php of the component CSS Handler. The manipulation of the argument default-styles/keywords-1/keywords-2/keywords-3/keywords-4/comments leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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
GeSHi 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GeSHi是Generic Syntax Highlighter开源的一个 PHP 通用语法高亮器。 GeSHi 1.0.9.1及之前版本存在代码注入漏洞，该漏洞源于对参数default-styles、keywords-1、keywords-2、keywords-3、keywords-4和comments的错误操作会导致跨站脚本。
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 |
|---|---|---|---|---|
| - | GeSHi | 1.0.9.0 | - |
|
II. Public POCs for CVE-2025-2123
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-2123 (3)
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CVE-2025-2123 GeSHi CSS cssgen.php get_var cross site scripting (Issue 159) signature permissions-required
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Submit #507418: GeShi ≤1.0.9.1 Cross Site Scripting third-party-advisory
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CVE-2025-2123 GeSHi CSS cssgen.php get_var cross site scripting (Issue 159) vdb-entry technical-description
Proof of Concept for CVE-2025-2123 (1)
News Coverage for CVE-2025-2123 (1)
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XSS Vulnerability in GeShi 1.0.9.1 and Earlier Versions · Issue #159 · GeSHi/geshi-1.0 exploit issue-tracking
Same Patch Batch · n/a · 2025-03-09 · 5 CVEs total
| CVE-2025-2129 | 5.6 MEDIUM | Mage AI insecure default initialization of resource |
| CVE-2025-2132 | 4.7 MEDIUM | ftcms Search ajax_all_lists sql injection |
| CVE-2025-2130 | 3.5 LOW | OpenXE Ticket Bearbeiten Page cross site scripting |
| CVE-2025-2133 | 2.4 LOW | ftcms edit cross site scripting |
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V. Comments for CVE-2025-2123
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