CVE-2026-5090— Template::Plugin::HTML versions through 3.102 for Perl allows HTML and JavaScript to be injected
Possible ATT&CK Techniques 1AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TODDR | Template::Plugin::HTML | ≤ 3.102 | affected |
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I. Basic Information for CVE-2026-5090
Vulnerability Information
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Vulnerability Title
Template::Plugin::HTML versions through 3.102 for Perl allows HTML and JavaScript to be injected
Source: NVD (National Vulnerability Database)
Vulnerability Description
Template::Plugin::HTML versions through 3.102 for Perl allows HTML and JavaScript to be injected. The html_filter function did not escape single quotes. HTML attributes inside of single quotes could be have code injected. For example, the variable "var" in <a id='ref' title='[% var | html %]'> would not be properly escaped. An attacker could insert some limited HTML and JavaScript, for example, var = " ' onclick='while (true) { alert(1) }'" Note that arbitrary HTML and JavaScript would be difficult to inject, because angle brackets, ampersands and double-quotes would still be escaped.
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
Template 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Template是Blake Embrey个人开发者的一个快速简单的字符串模板。 Template 3.102及之前版本存在跨站脚本漏洞，该漏洞源于html_filter函数未转义单引号，可能导致HTML和JavaScript注入。
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 |
|---|---|---|---|---|
| TODDR | Template::Plugin::HTML | 0 ~ 3.102 | - |
II. Public POCs for CVE-2026-5090
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-5090 (1)
Other References for CVE-2026-5090 (1)
IV. Related Vulnerabilities
Same vendor: TODDR
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YAML::Syck versions before 1.36 for Perl has missing Null-Te
Same weakness: CWE-79
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V. Comments for CVE-2026-5090
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