ExploitFixer - Anti-Crash/Dupe Plugin v4.0.2

Protect your server from crash/dupe/packet exploits with the ultimate security fix plugin.
  • Fixed critical duplication exploit affecting all servers.
  • Fixed Folia again.
  • Normalize positions on quit to fix trap exploits.
  • Player cache is now properly clearing.
  • Fixed 1.8 get item in main hand error.
  • Made server bound command suggestion packet less aggressive.
  • Fixed -1 recipe not allowed. Now allowed when clicking empty slot.
  • Made cooldowns for arm swing packets less aggro to fix matrix support.
Reset your config.yml to apply new changes.
  • Fixed exception on max flags print.
  • Apply more limits to creative sanitizer metadata.
  • Separated modules in configuration files to make it simple to edit.
  • Added performance counter for nbt to detect lag issues.
  • Drop issue when when closing anvil was fixed.
  • Handle multishot enchantment gracefully.
  • Fix crafting drop remainder issue.
  • Use packets to detect drop exploits.
  • Now the flag limit will show exact setting to change.
  • Increase default color limit to 42.
You need to update HamsterAPI or this update will give you errors!
  • Added native fix for beehive exploit.
  • Fixed item analysis false positive with armor slots.
  • Reduced cooldown for throwing xp bottles by default.
  • Fixed failed to send packet on 1.20+.
  • Fixed packet limiter issues with some signs.
  • Fixed issues with some player null.
  • Fixed book limit removal listener throwing errors.
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Creative & Books update requires you to reset your config.yml before updating. (Don't worry, it's worth it!)
This update introduces major exploit fixers with ultra-performance tested book checks that prevent long-book abuse in chunks.

  • Ultra-Performance Zero-Lag book limiting system that detects hopper transfers, rare conditions, item frames and more with smart book trackers.
  • Creative sanitizer now has option to completely bypass certain materials.
  • More fixes to geyser and floodgate on bedrock edition clients.
  • Creative sanitizer skull textures now pass properly.
  • Added multiple protocol detectors to detect 1.19.4 version properly and other failing versions.
  • Improved sign check to handle strings and not only components.
  • Creative mode now can spam drop with default config.
  • Geyser now bypass limits for packet play in auto recipe and other packets.
  • Improved custom model data creative sanitizer passing.
  • Fixed lag from Folia libraries.
Buy a license now
$13.99
EULA
Standard EULA
Use on any projects you own with attribution
Support
Standard
Includes:
Download the resource
Access new updates
Support from the creator
Support duration
Lifetime
Extras
Source Code
+ $49.99
Share and earn
Refer this resource and earn a 20% commission.
242,861 Views
3,097 Purchases
3,036 Downloads
Jan 2, 2023 Published
Jun 25, 2026 Updated
5.00 star(s)
Average rating (44)
494.6 KB File size
Open source
  1. No
DRM-free
  1. Yes
Unobfuscated
  1. Yes
Type
  1. Protection
  1. Staff
  1. Patch
Supported software
  1. Bukkit
  1. Spigot
  1. Paper
  1. Folia
Supported versions
  1. 26.1
  1. 1.21.11
  1. 1.21.8
  1. 1.21.5
  1. 1.21.4
  1. 1.21.2
  1. 1.21
  1. 1.20
  1. 1.19
  1. 1.18
  1. 1.17
  1. 1.16
  1. 1.15
  1. 1.14
  1. 1.13
  1. 1.12
  1. 1.11
  1. 1.10
  1. 1.9
  1. 1.8
Supported languages
  1. English
  1. Spanish
  1. Russian
  1. German
  1. French
  1. Portugese
  1. Polish
  1. Turkish
  1. Chinese
  1. Indonesian
  1. Italian
  1. Vietnamese
  1. Dutch
  1. Korean
  1. Czech
  1. Thai
  1. Hungarian
  1. Arabic
  1. Japanese
  1. Ukrainian
  1. Swedish
  1. Danish
  1. Romanian
  1. Slovak
  1. Hebrew
Includes DRM
No
Source access (legacy)
Closed source & unobfuscated
Creator
Owner
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Share and earn
Refer this resource and earn a 20% commission.
242,861 Views
3,097 Purchases
3,036 Downloads
Jan 2, 2023 Published
Jun 25, 2026 Updated
5.00 star(s)
Average rating (44)
494.6 KB File size
Open source
  1. No
DRM-free
  1. Yes
Unobfuscated
  1. Yes
Type
  1. Protection
  1. Staff
  1. Patch
Supported software
  1. Bukkit
  1. Spigot
  1. Paper
  1. Folia
Supported versions
  1. 26.1
  1. 1.21.11
  1. 1.21.8
  1. 1.21.5
  1. 1.21.4
  1. 1.21.2
  1. 1.21
  1. 1.20
  1. 1.19
  1. 1.18
  1. 1.17
  1. 1.16
  1. 1.15
  1. 1.14
  1. 1.13
  1. 1.12
  1. 1.11
  1. 1.10
  1. 1.9
  1. 1.8
Supported languages
  1. English
  1. Spanish
  1. Russian
  1. German
  1. French
  1. Portugese
  1. Polish
  1. Turkish
  1. Chinese
  1. Indonesian
  1. Italian
  1. Vietnamese
  1. Dutch
  1. Korean
  1. Czech
  1. Thai
  1. Hungarian
  1. Arabic
  1. Japanese
  1. Ukrainian
  1. Swedish
  1. Danish
  1. Romanian
  1. Slovak
  1. Hebrew
Includes DRM
No
Source access (legacy)
Closed source & unobfuscated
Creator
Owner
Recommended for you
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