extenshi.io
SECURITY REPORT · EXTENSHI SCAN

MarkUp For Chrome

Chrome extension·by markup.io
59
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

MarkUp For Chrome's safety score vs every other extension we've scanned
Globally
58.99%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
48.99%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
247
median 38Lower is safer
Risky permissions
3
median 1Critical + high perms
Total permissions
8
median 4All declared perms
Critical findings
1
median 2Severity = Critical

Findings breakdown

Automated security signal · 247 distinct issues across 6 severities
247
distinct issues
detected
Scanners reported 275 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 8 total
3 high-risk permissions require attention
This extension requests 8 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
Observe web requests

Can monitor all network requests made by the browser

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Store local data

Can save data locally in the browser for persistence

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Low
Schedule tasks

Can schedule periodic background tasks

Low
Create offscreen documents

Can create hidden documents for background processing tasks

Are you the author of MarkUp For Chrome?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show MarkUp For Chrome's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/219347)](https://catalog.extenshi.io/extensions/219347/security)
HTML
<a href="https://catalog.extenshi.io/extensions/219347/security"><img src="https://catalog.extenshi.io/api/badge/219347" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Aug 17, 2026· partial run (some scanners failed)
Browser extensions made transparent.