Error parsing MD Text #4444

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OVERLORD · 2026-02-05T08:54:11+03:00

OVERLORD commented

2026-02-05 08:54:11 +03:00

Originally created by @KarstenHahn on GitHub (Jan 31, 2024).

Describe the Bug

Hello,
if I enter some special text in the MD Editor, a white screen appears. No log information is available.

I also tried it on your demo-bookstack Instance an can reproduce the error

Steps to Reproduce

Edit a page
Enter this:

Steps:

Download agent

wget https://abc

as an example

save page
white screen appears.

Expected Behaviour

saving with no errors will be done

Screenshots or Additional Context

No response

Browser Details

Edge, Firefox

Exact BookStack Version

BookStack v23.12.1

Originally created by @KarstenHahn on GitHub (Jan 31, 2024). ### Describe the Bug Hello, if I enter some special text in the MD Editor, a white screen appears. No log information is available. I also tried it on your demo-bookstack Instance an can reproduce the error ### Steps to Reproduce * Edit a page * Enter this: #### Steps: 1. Download agent ```bash wget https://abc ``` as an example * save page * white screen appears. ### Expected Behaviour saving with no errors will be done ### Screenshots or Additional Context _No response_ ### Browser Details Edge, Firefox ### Exact BookStack Version BookStack v23.12.1

OVERLORD added the 🐛 Bug label 2026-02-05 08:54:11 +03:00

OVERLORD closed this issue

2026-02-05 08:54:13 +03:00

OVERLORD commented

2026-02-05 08:54:17 +03:00

@KarstenHahn commented on GitHub (Jan 31, 2024):

In addition: I've seen that the problematic MD text will be rendered in GITHUB issue, I've added the MD as an attachment
md.txt

@KarstenHahn commented on GitHub (Jan 31, 2024): In addition: I've seen that the problematic MD text will be rendered in GITHUB issue, I've added the MD as an attachment [md.txt](https://github.com/BookStackApp/BookStack/files/14113016/md.txt)

OVERLORD commented

2026-02-05 08:54:20 +03:00

@ssddanbrown commented on GitHub (Jan 31, 2024):

Hi @KarstenHahn,
Thanks for raising.
Strange though, I cannot reproduce this on my dev instance, nor our demo instance; All works fine.

Tested via both creating and updating a page, in both Firefox and Chrome.

@ssddanbrown commented on GitHub (Jan 31, 2024): Hi @KarstenHahn, Thanks for raising. Strange though, I cannot reproduce this on my dev instance, nor our demo instance; All works fine. Tested via both creating and updating a page, in both Firefox and Chrome.

OVERLORD commented

2026-02-05 08:54:28 +03:00

@KarstenHahn commented on GitHub (Jan 31, 2024):

Hello,
mysterious. I have tested it again, it works on my instance and on the demo instance.
Maybe a problem with the character set when copying from the clipboard?
Never mind. Now it works.
Thanks for the quick response and best regards, Karsten

@KarstenHahn commented on GitHub (Jan 31, 2024): Hello, mysterious. I have tested it again, it works on my instance and on the demo instance. Maybe a problem with the character set when copying from the clipboard? Never mind. Now it works. Thanks for the quick response and best regards, Karsten

OVERLORD commented

2026-02-05 08:54:31 +03:00

@ssddanbrown commented on GitHub (Jan 31, 2024):

Good to hear it's now working.
I'll therefore close this off.

@ssddanbrown commented on GitHub (Jan 31, 2024): Good to hear it's now working. I'll therefore close this off.

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Reference: starred/BookStack#4444