cve/2023/CVE-2023-26131.md

### [CVE-2023-26131](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26131)
![](https://img.shields.io/static/v1?label=Product&message=github.com%2Fxyproto%2Falgernon%2Fengine&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=github.com%2Fxyproto%2Falgernon%2Fthemes&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=0%3C%20*%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Cross-site%20Scripting%20(XSS)&color=brighgreen)

### Description

All versions of the package github.com/xyproto/algernon/engine; all versions of the package github.com/xyproto/algernon/themes are vulnerable to Cross-site Scripting (XSS) via the themes.NoPage(filename, theme) function due to improper user input sanitization. Exploiting this vulnerability is possible when a file/resource is not found.

### POC

#### Reference
- https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMXYPROTOALGERNONENGINE-3312111
- https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMXYPROTOALGERNONTHEMES-3312112

#### Github
- https://github.com/dellalibera/dellalibera