Xss And Injection Prevention

Q: What is a Claude Code skill and how does the Xss And Injection Prevention skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Xss And Injection Prevention is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: web-security · Last updated: 2026-05-21

type:review

Use when writing or reviewing Visualforce pages, Apex controllers, or LWC components that output user-supplied data, build dynamic queries, or construct HTTP responses. Triggers: 'XSS in Visualforce', 'SOQL injection vulnerability', 'how to encode output in Apex', 'JSENCODE Visualforce', 'open redirect prevention'. NOT for Apex CRUD/FLS enforcement (use soql-security or apex-crud-and-fls), NOT for Shield encryption (use shield-encryption-key-management), NOT for AppExchange security review process (use secure-coding-review-checklist).

About this skill (catalog notes)

Xss And Injection Prevention includes 5 code blocks for direct copy-paste. The SKILL.md runs to about 1,258 words, in the catalog's typical mid-range.

Original author: Pranav Nagrecha
Indexed lastmod: 2026-05-21
Catalog position: Security · web-security
Indexed related skills: 10

How Xss And Injection Prevention fits the catalog

Xss And Injection Prevention sits in the Security category under the web-security sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Use this skill when writing or reviewing Visualforce pages, Apex controllers, or LWC components that render user-supplied data, build dynamic queries, or construct redirect URLs. It covers the full set of Salesforce-specific encoding functions, the SOQL injection bind-variable pattern, CRLF injection prevention, and open redirect mitigation.

What this skill does

Xss And Injection Prevention is a community-contributed Claude Code skill in the web-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/xss-and-injection-prevention/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when writing or reviewing Visualforce pages, Apex controllers, or LWC components that output user-supplied data, build dynamic queries, or construct HTTP responses. Triggers: 'XSS in Visualforce', 'SOQL injection vulnerability', 'how to encode output in Apex', 'JSENCODE Visualforce', 'open redirect prevention'.

Who uses this skill

The Xss And Injection Prevention Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 117,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/xss-and-injection-prevention
curl -L https://claudskills.com/skills/xss-and-injection-prevention/SKILL.md \
  -o ~/.claude/skills/xss-and-injection-prevention/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/xss-and-injection-prevention/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/xss-and-injection-prevention/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\xss-and-injection-prevention\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Xss And Injection Prevention Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/xss-and-injection-prevention/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Xss And Injection Prevention skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Xss And Injection Prevention skill?

Use Xss And Injection Prevention when your Claude Code task falls under the Security category — specifically in the web security area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Xss And Injection Prevention" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Xss And Injection Prevention skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Xss And Injection Prevention is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Author: Pranav Nagrecha

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

Pranav Nagrecha. (2026). Xss And Injection Prevention [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/xss-and-injection-prevention/

BibTeX

@misc{xss-and-injection-prevention-2026,
  author    = {Pranav Nagrecha},
  title     = {Xss And Injection Prevention [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/xss-and-injection-prevention/}
}

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