build(deps): bump fast-xml-parser from 5.3.6 to 5.5.6

[dependabot]

Bumps fast-xml-parser from 5.3.6 to 5.5.6.

Release notes

Sourced from fast-xml-parser's releases.

fix entity expansion and incorrect replacement and performance

Full Changelog: NaturalIntelligence/fast-xml-parser@v5.5.5...v5.5.6

support onDangerousProperty

Full Changelog: NaturalIntelligence/fast-xml-parser@v5.5.3...v5.5.5

update dependecies to fix typings

Full Changelog: NaturalIntelligence/fast-xml-parser@v5.5.1...v5.5.2

integrate path-expression-matcher

• support path-expression-matcher
• fix: stopNode should not be parsed
• performance improvement for stopNode checking

Separate Builder

XML Builder was the part of fast-xml-parser for years. But considering that any bug in builder may false-alarm the users who are only using parser and vice-versa, we have decided to split it into a separate package.

Migration

To migrate to fast-xml-builder;

From

import { XMLBuilder } from "fast-xml-parser";

To

import  XMLBuilder  from "fast-xml-builder";

XMLBuilder will be removed from current package in any next major version of this library. So better to migrate.

support strictReservedNames

Full Changelog: NaturalIntelligence/fast-xml-parser@v5.3.9...v5.3.9

handle non-array input for XML builder && support maxNestedTags

• support maxNestedTags
• handle non-array input for XML builder when preserveOrder is true (By Angelo Coetzee)
• save use of js properies Full Changelog: NaturalIntelligence/fast-xml-parser@v5.3.7...v5.3.8

CJS typing fix

What's Changed

• Unexport X2jOptions at declaration site by @​Drarig29 in NaturalIntelligence/fast-xml-parser#787

New Contributors

• @​Drarig29 made their first contribution in NaturalIntelligence/fast-xml-parser#787

... (truncated)

Changelog

Sourced from fast-xml-parser's changelog.

Note: If you find missing information about particular minor version, that version must have been changed without any functional change in this library.

Note: Due to some last quick changes on v4, detail of v4.5.3 & v4.5.4 are not updated here. v4.5.4x is the last tag of v4 in github repository. I'm extremely sorry for the confusion

5.5.6 / 2026-03-16

• update builder dependency
• fix incorrect regex to replace . in entity name
• fix check for entitiy expansion for lastEntities and html entities too

5.5.5 / 2026-03-13

• sanitize dangerous tag or attribute name
• error on critical property name
• support onDangerousProperty option

5.5.4 / 2026-03-13

• declare Matcher & Expression as unknown so user is not forced to install path-expression-matcher

5.5.3 / 2026-03-11

• upgrade builder

5.5.2 / 2026-03-11

• update dependency to fix typings

5.5.1 / 2026-03-10

• fix dependency

5.5.0 / 2026-03-10

• support path-expression-matcher
• fix: stopNode should not be parsed
• performance improvement for stopNode checking

5.4.2 / 2026-03-03

• support maxEntityCount option

5.4.1 / 2026-02-25

• fix (#785) unpairedTag node should not have tag content

5.4.0 / 2026-02-25

• migrate to fast-xml-builder

5.3.9 / 2026-02-25

• support strictReservedNames

5.3.8 / 2026-02-25

• support maxNestedTags
• handle non-array input for XML builder when preserveOrder is true (By Angelo Coetzee)
• save use of js properies

5.3.7 / 2026-02-20

... (truncated)

Commits

• 870043e update release info
• 6df401e update builder dependency
• bd26122 check for entitiy expansion for lastEntities and html entities too
• 7e70dd8 fix incorrect regex to replace . in entity name
• e54155f update package info
• 3308fd7 handle critical properties
• 0500f6b refactor
• ea07bb2 declare Matcher & Expression as unknown
• 0a4dc92 upgrade builder
• e0a14f7 update dependency to fix typings
• Additional commits viewable in compare view

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Project	Deployment	Actions	Updated (UTC)
transcriptr	Ready	Preview, Comment	Mar 18, 2026 2:15am

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Overview

This is a Dependabot security update that bumps fast-xml-parser from 5.3.6 to 5.5.6.

Analysis

Dependency Type: Transitive dependency via @google-cloud/storage

Key Security Fixes in 5.5.6:

• Entity expansion fix - Addresses potential denial of service via malicious XML entity expansion
• Regex fix - Corrects improper handling of special characters in entity names
• Dangerous property sanitization - Adds onDangerousProperty callback support for handling potentially harmful property names

Impact Assessment:

• The project uses @google-cloud/storage as a direct dependency, which depends on fast-xml-parser for XML parsing operations
• The application uses Firebase client SDK (firebase/storage) for storage operations rather than the Node.js @google-cloud/storage library directly
• This update affects server-side/cloud functionality that may interact with Google Cloud Storage XML APIs

Verification:

• ✅ No breaking changes affecting the codebase
• ✅ SonarQube Quality Gate passed with 0 new issues
• ✅ Vercel preview deployment successful
• ✅ No direct usage of fast-xml-parser in application code to review

Recommendation

This is a legitimate security update that should be merged. The fixes address XML parsing vulnerabilities that could potentially be exploited through malicious XML payloads.

Files Reviewed (1 file)

• package-lock.json - Dependency version bump from 5.3.6 to 5.5.6