Bug: SyntaxError: Unexpected token '<' when adding Custom JavaScript #1335

New Issue

MrUnknownDE · 2026-04-05T16:26:54+02:00

MrUnknownDE commented

2026-04-05 16:26:54 +02:00

Originally created by @TheDoubleH on 12/6/2023

Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

Go to 'Status Pages / Page / </> HTML, CSS & JavaScript / Custom JavaScript
Click on 'Edit tatus Page'
Scroll down to Add a Line: <script src="https://app.usermetric.io/pixel/SomeSecretValueHere" defer></script>
When opening my public status page I get the error "SyntaxError: Unexpected token '<'"

Expected behavior
Status Page should render, and my usermetric tracking should be executed

Screenshots

Desktop (please complete the following information):

OS: [Windows 11]
Browser [Edge]
Version [Version 119.0.2151.93 (Official build) (64-bit)]

Deployment Type
SaaS (at https://oneuptime.com)

*Originally created by @TheDoubleH on 12/6/2023* **Describe the bug** A clear and concise description of what the bug is. **To Reproduce** Steps to reproduce the behavior: 1. Go to 'Status Pages / Page / </> HTML, CSS & JavaScript / Custom JavaScript 2. Click on 'Edit tatus Page' 3. Scroll down to Add a Line: `<script src="https://app.usermetric.io/pixel/SomeSecretValueHere" defer></script>` 4. When opening my public status page I get the error "SyntaxError: Unexpected token '<'" **Expected behavior** Status Page should render, and my usermetric tracking should be executed **Screenshots** ![image](https://github.com/OneUptime/oneuptime/assets/24259184/fae91f00-1d20-473f-9b1e-ed0fc6dbc2b9) ![image](https://github.com/OneUptime/oneuptime/assets/24259184/cdedc2bf-7f7b-4534-82dc-ad9a3024dd0f) **Desktop (please complete the following information):** - OS: [Windows 11] - Browser [Edge] - Version [Version 119.0.2151.93 (Official build) (64-bit)] **Deployment Type** SaaS (at https://oneuptime.com)

MrUnknownDE closed this issue

2026-04-05 16:26:54 +02:00

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Reference: github/oneuptime#1335

Bug: SyntaxError: Unexpected token '<' when adding Custom JavaScript #1335

Bug: `SyntaxError: Unexpected token '<'` when adding Custom JavaScript #1335