HTTP Header Mangler inserts HTTP headers on a per host basis.
Manifest V2
- By:
- Peter Nilsson
- Version:
- 1.1.4resigned1 (Last updated: 2024-04-25)
- Version code:
- 5726303
- Creation date:
- 2014-04-04
- Permissions:
- storage
- webRequest
- webRequestBlocking
- <all_urls>
- Size:
- 11.04K
- URLs:
- Website
- Full description:
- See detailed description
- Source:
- Firefox Browser Add-ons
- Updated:
- a day ago
User reviews
by 全民三退解体中共邪教, 2025-04-08
by 远离中共邪教快退出党团队, 2025-02-22
I can modify the "Accept" header in outgoing HTTP requests in Firefox 129, so it still works.
It would be nice if syntax errors in the rules would be shown.
by cweiske, 2024-08-27
Extension safety
Risk impact
HTTP Header Mangler requires a few sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- High ****** *** ********* ** ******* *** ******* ******* ** ****** *** *** ******** ******
Risk likelihood
HTTP Header Mangler is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
- Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
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