Web Cache Poisoning

Web Cache Poisoning is a Quality skill for Claude Code, published by CyberStrikeus in CyberStrike.

1.7K stars269 forkson CyberStrikeus/CyberStrikeAdded 2026/08/12+4% in starsRepository updated 2026/08/12

aiai-agentai-securitybug-bountycybersecuritydevsecopsethical-hackinghackinghacking-toolllmmcpmcp-servermitre-attackoffensive-securityowasppenetration-testingpentestred-teamsecuritysecurity-tools

Install in seconds

Install Web Cache Poisoning

Copy Web Cache Poisoning into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/CyberStrikeus/CyberStrike/tree/main/.cyberstrike/skill/attack-cache-poison ~/.claude/skills/attack-cache-poison

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/CyberStrikeus/CyberStrike.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: .cyberstrike/skill/attack-cache-poison/SKILL.md in CyberStrikeus/CyberStrike
Installs to: ~/.claude/skills/attack-cache-poison
Collection: One of 51 skills cataloged from this repository
Category: Quality — 1354 skills

What Web Cache Poisoning does

Web Cache Poisoning helps test for unkeyed headers, parameters, and normalization issues that can poison cached responses. Use it when checking whether attackers can serve altered content to other users.

Web Cache Poisoning is cataloged under Quality on DirSkills. Web Cache Poisoning comes from a repository tagged ai, ai-agent, ai-security, bug-bounty and cybersecurity.

Documentation

README

Excerpt

# Check cache headers
curl -s -D- https://TARGET/ | grep -i "x-cache\|age\|cache-control\|cf-cache\|x-varnish"

# Identify cache key components (vary header)
curl -s -D- https://TARGET/ | grep -i "vary"

Phase 2: Find Unkeyed Inputs

Test headers that are reflected in response but NOT part of cache key:

This is the opening of the README. Read the full README on GitHub.

Commands Web Cache Poisoning provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/admin

Frequently asked about Web Cache Poisoning

What else does CyberStrikeus publish alongside Web Cache Poisoning?
Web Cache Poisoning is one of 51 skills that DirSkills catalogs from CyberStrikeus/CyberStrike, the repository it ships in. Its siblings there include AMI Age Compliance, AMI Encryption Check and AMI Naming Convention Compliance. Each one is a separate skill with its own page in this directory, installs the same way Web Cache Poisoning does, and is maintained by CyberStrikeus in that same repository. The rest of the collection is listed on the CyberStrikeus/CyberStrike page.
How does Web Cache Poisoning compare to other Quality skills?
Web Cache Poisoning ranks #611 by stars among the 1354 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Web Cache Poisoning against them. Open each page to compare what they document and how they install.