chore(deps): bump the npm_and_yarn group across 2 directories with 4 updates

[dependabot]

Bumps the npm_and_yarn group with 2 updates in the /backend directory: multer and qs.
Bumps the npm_and_yarn group with 2 updates in the /frontend directory: dompurify and shell-quote.

Updates multer from 2.1.1 to 2.2.0

Release notes

Sourced from multer's releases.

v2.2.0

Important

• Fix CVE-2026-5038 (GHSA-3p4h-7m6x-2hcm)
• Fix CVE-2026-5079 (GHSA-72gw-mp4g-v24j)

What's Changed

• chore(deps): bump actions/upload-artifact from 7.0.0 to 7.0.1 by @​dependabot[bot] in expressjs/multer#1397
• chore(deps): bump github/codeql-action from 4.32.4 to 4.36.1 by @​dependabot[bot] in expressjs/multer#1409
• chore(deps): bump actions/checkout from 6.0.2 to 6.0.3 by @​dependabot[bot] in expressjs/multer#1410
• ci: add Node 26 to test matrix by @​gameroman in expressjs/multer#1404
• Release: 2.2.0 by @​UlisesGascon in expressjs/multer#1412

New Contributors

• @​gameroman made their first contribution in expressjs/multer#1404

Full Changelog: expressjs/multer@v2.1.1...v2.2.0

Changelog

Sourced from multer's changelog.

2.2.0

• Fix CVE-2026-5038 (GHSA-3p4h-7m6x-2hcm)
• Fix CVE-2026-5079 (GHSA-72gw-mp4g-v24j)

Commits

• 2e2af08 2.2.0 (#1412)
• a192b52 feat: add fieldNestingDepth limit option
• 9c801c7 fix: clean up in-progress disk writes on abort
• 0adb21d ci: add Node 26 to test matrix (#1404)
• f5e17c3 chore(deps): bump actions/checkout from 6.0.2 to 6.0.3 (#1410)
• de1fefd chore(deps): bump github/codeql-action from 4.32.4 to 4.36.1 (#1409)
• 67abfc8 chore(deps): bump actions/upload-artifact from 7.0.0 to 7.0.1 (#1397)
• See full diff in compare view

Updates qs from 6.15.0 to 6.15.2

Changelog

Sourced from qs's changelog.

6.15.2

• [Fix] stringify: skip null/undefined entries in arrayFormat: 'comma' + encodeValuesOnly instead of crashing in encoder
• [Fix] stringify: use configured delimiter after charsetSentinel (#555)
• [Fix] stringify: apply formatter to encoded key under strictNullHandling (#554)
• [Fix] stringify: skip null/undefined filter-array entries instead of crashing in encoder (#551)
• [Fix] parse: handle nested bracket groups and add regression tests (#530)
• [readme] fix grammar (#550)
• [Dev Deps] update @ljharb/eslint-config
• [Tests] add regression tests for keys containing percent-encoded bracket text

6.15.1

• [Fix] parse: parameterLimit: Infinity with throwOnLimitExceeded: true silently drops all parameters
• [Deps] update @ljharb/eslint-config
• [Dev Deps] update @ljharb/eslint-config, iconv-lite
• [Tests] increase coverage

Commits

• 9aca407 v6.15.2
• 5e33d33 [Dev Deps] update @ljharb/eslint-config
• 21f80b3 [Fix] stringify: skip null/undefined entries in arrayFormat: 'comma' + `e...
• a0a81ea [Fix] stringify: use configured delimiter after charsetSentinel
• e3062f7 [Fix] stringify: apply formatter to encoded key under strictNullHandling
• 0c180a4 [Fix] stringify: skip null/undefined filter-array entries instead of crashi...
• 3a8b94a [Tests] add regression tests for keys containing percent-encoded bracket text
• 96755ab [readme] fix grammar
• a419ce5 [Fix] parse: handle nested bracket groups and add regression tests
• 3f5e1c5 v6.15.1
• Additional commits viewable in compare view

Updates dompurify from 3.4.1 to 3.4.11

Release notes

Sourced from dompurify's releases.

DOMPurify 3.4.11

• Fixed an issue with a leaky config for hooks via setConfig, thanks @​trace37labs
• Bumped vulnerable development dependencies to arrive at plain 0 with npm audit
• Updated the osv-scanner suppression list as no vulnerable dependencies are left for now
• Updated up the linting tool-chain and removed now-redundant lint directives
• Updated the documentation is several spots, README, wiki, etc.
• Bumped several dependencies where possible

DOMPurify 3.4.10

• Refactored codebase for clarity: extracted the public type declarations into types.ts
• Decomposed the three largest sanitizer functions into focused helpers
• Removed duplicated defaults and dead branches, consolidated SAFE_FOR_TEMPLATES scrubbing into single shared path
• Improved per-node performance by hoisting the mXSS probe regexes and testing textContent before innerHTML
• Added a deterministic micro-benchmark harness (npm run bench) with a --compare mode
• Reduced CI cost by running the full three-engine browser suite once per PR
• Refreshed the demos/ folder so every demo runs again, and added a SVG-via-<img> demo
• Documented the bench and test:happydom scripts in the README
• Completed the Attack Classes & Bypass History wiki page
• Bumped several dependencies where possible

DOMPurify 3.4.9

• Further improved the handling of Trusted Types config options, thanks @​offset
• Further improved the handling of IN_PLACE sanitization, thanks @​mozfreddyb
• Added more test coverage for IN_PLACE and Trusted Types related usage
• Bumped several dependencies where possible
• Updated README and wiki with more accurate documentation & attack samples

DOMPurify 3.4.8

• Cleaned up the repository root, renamed some and removed unneeded files
• Fixed an issue with handling of Trusted Types policies, thanks @​fulstadev
• Fixed the node iterator for better template scrubbing, thanks @​IamLeandrooooo
• Included formerly missing LICENSE-MPL in published npm package, thanks @​asamuzaK
• Bumped several dependencies where possible

DOMPurify 3.4.7

• Hardened the handling of Shadow Roots when using IN_PLACE, thanks @​GameZoneHacker
• Removed a problem leading to permanent hook pollution, thanks @​offset
• Refactored the test suite and expanded test coverage significantly

DOMPurify 3.4.6

• Fixed several issues with DOM Clobbering in IN_PLACE mode, thanks @​offset & @​Bankde
• Hardened the checks for cross-realm IN_PLACE and Shadow DOM sanitization, thanks @​offset & @​Bankde
• Added more test coverage for IN_PLACE and general DOM Clobbering attacks
• Bumped several dependencies where possible

DOMPurify 3.4.5

• Fixed a bypass caused by the new HTML element selectedcontent added in 3.4.4, thanks @​KabirAcharya

Note that this is a security release for an issue introduced in 3.4.4 and should be upgraded to immediately.

... (truncated)

Commits

• 0cae518 release: 3.4.11 (#1494)
• 6ee5716 release: 3.4.10 (#1478)
• 5210247 release: 3.4.9 (#1459)
• bcdd828 release: 3.4.8 (#1439)
• ca30f07 release: 3.4.7 (#1414)
• bb7739e release: 3.4.6 (#1394)
• 011b0c7 release: 3.4.5 (#1382)
• 5817ad9 release: 3.4.4 (#1374)
• 520edb0 release: 3.4.3 (#1352)
• 6f67fd3 Sync/3.4.2 (#1322)
• See full diff in compare view

Updates shell-quote from 1.8.3 to 1.8.4

Changelog

Sourced from shell-quote's changelog.

v1.8.4 - 2026-05-22

Commits

• [Fix] quote: validate object-token shapes 4378a6e
• [Dev Deps] update @ljharb/eslint-config, auto-changelog, eslint, npmignore 22ebec0
• [Tests] increase coverage 9f3caa3
• [readme] replace runkit CI badge with shields.io check-runs badge 3344a04
• [Dev Deps] update @ljharb/eslint-config 699c511

Commits

• ff166e2 v1.8.4
• 4378a6e [Fix] quote: validate object-token shapes
• 22ebec0 [Dev Deps] update @ljharb/eslint-config, auto-changelog, eslint, `npmig...
• 9f3caa3 [Tests] increase coverage
• 3344a04 [readme] replace runkit CI badge with shields.io check-runs badge
• 699c511 [Dev Deps] update @ljharb/eslint-config
• See full diff in compare view

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