aeondave/xsstrike
offensive-tools/web/xsstrike/SKILL.md
XSStrike: advanced XSS detection suite with context-aware payload generation, DOM XSS analysis, site crawler, WAF detection, and blind XSS mode. Use when testing for reflected/stored/DOM XSS on WAF-protected targets or complex filter scenarios. Preferred over dalfox when deep filter analysis and WAF evasion matter; use dalfox for speed.
$ install --global
skillsauthnpx skillsauth add aeondave/malskill xsstrikeInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: May 20, 2026, 3:49 AM112.6s2 files scanned
SKILL.md
- name:
- xsstrike
- description:
- XSStrike: advanced XSS detection suite with context-aware payload generation, DOM XSS analysis, site crawler, WAF detection, and blind XSS mode. Use when testing for reflected/stored/DOM XSS on WAF-protected targets or complex filter scenarios. Preferred over dalfox when deep filter analysis and WAF evasion matter; use dalfox for speed.
- license:
- GPL-3.0
- compatibility:
- Linux / macOS / Windows. Python 3.6+. git clone https://github.com/s0md3v/XSStrike && pip3 install -r requirements.txt
- author:
- AeonDave
- version:
- 1.1
XSStrike
Context-aware XSS scanner — intelligent payload generation, DOM analysis, WAF evasion.
Quick Start
git clone https://github.com/s0md3v/XSStrike
cd XSStrike && pip3 install -r requirements.txt
# Single URL / GET param
python3 xsstrike.py -u "http://target.com/search?q=test"
# POST data
python3 xsstrike.py -u "http://target.com/feedback" --data "comment=test&name=x"
# Crawl full site
python3 xsstrike.py -u "http://target.com" --crawl -l 3 -t 10
# Blind XSS (inject on crawl, callback on trigger)
python3 xsstrike.py -u "http://target.com" --crawl --blind
# WAF bypass fuzzing
python3 xsstrike.py -u "http://target.com?q=test" --fuzzer
Core Flags
| Flag | Purpose |
|------|---------|
| -u <url> | Target URL with injectable parameter |
| --data <data> | POST body (default: GET) |
| --crawl | Crawl site and test all discovered parameters |
| -l <depth> | Crawl depth (default: 2) |
| --seeds <file> | Crawl seed URLs from file |
| --blind | Blind XSS — inject payloads during crawl (no reflection check) |
| --fuzzer | Fuzz WAF filters (slow, with delays) |
| --dom | DOM XSS analysis only |
| --skip-dom | Skip DOM analysis (faster) |
| -t <threads> | Thread count |
| -d <ms> | Delay between requests (ms) |
| --timeout <s> | Request timeout (seconds) |
| --encode | Encode payloads for WAF evasion |
| --json | Treat POST data as JSON |
| --path | Test path injection |
| --headers <h> | Custom headers (separate multiple with \n) |
| --proxy <proxy> | HTTP/HTTPS proxy (e.g., http://127.0.0.1:8080) |
| --file-log-level | File logging verbosity |
| --log-file <path> | Save output to log file |
XSStrike vs Dalfox
| | XSStrike | Dalfox | |-|----------|--------| | Speed | Moderate | Fast | | WAF evasion | Deep encoding engine | Basic detection | | Context analysis | 4 hand-written parsers | Heuristic | | DOM XSS | Yes (dedicated analysis) | Limited | | Use when | WAF-protected, complex filters | Large-scope quick scans |
Common Workflows
# Authenticated single-param scan
python3 xsstrike.py -u "http://target.com/search?q=test" \
--headers "Cookie: PHPSESSID=abc123"
# POST JSON API
python3 xsstrike.py -u "http://api.target.com/render" \
--json --data '{"name":"test","msg":"hello"}'
# Full site crawl with auth
python3 xsstrike.py -u "http://target.com" --crawl -l 3 -t 10 \
--headers "Cookie: session=abc123\nX-Custom: value"
# Blind XSS across full site
python3 xsstrike.py -u "http://target.com" --crawl --blind \
--headers "Cookie: session=abc123"
# WAF bypass mode (slow)
python3 xsstrike.py -u "http://target.com?id=1" --fuzzer -d 2
# Through Burp proxy
python3 xsstrike.py -u "http://target.com/search?q=test" \
--proxy http://127.0.0.1:8080
# Log results
python3 xsstrike.py -u "http://target.com" --crawl \
--log-file results.txt --file-log-level INFO
Payload Context Detection
XSStrike uses 4 hand-written parsers to detect injection context:
| Context | Detected By | Payload Type | |---------|------------|--------------| | HTML tag body | HTML parser | Event handler injection | | HTML attribute | Attribute parser | Attribute breakout | | JavaScript string | JS parser | Quote escape + exec | | URL context | URL parser | URL encoding aware |
Resources
| File | When to load |
|------|--------------|
| references/xss-context-bypass.md | Context-specific payloads, WAF evasion patterns, blind XSS setup, DOM sink list |
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