chore(deps): Bump ws and @wp-playground/cli

[dependabot]

Bumps ws and @wp-playground/cli. These dependencies needed to be updated together.
Updates ws from 8.18.0 to 8.21.0

Release notes

Sourced from ws's releases.

8.21.0

Features

• Introduced the maxBufferedChunks and maxFragments options (2b2abd45).

Bug fixes

• Fixed a remote memory exhaustion DoS vulnerability (2b2abd45).

A high volume of tiny fragments and data chunks could be sent by a peer, using modest network traffic, to crash a ws server or client due to OOM.

import { WebSocket, WebSocketServer } from 'ws';
const wss = new WebSocketServer({ port: 0 }, function () {
const data = Buffer.alloc(1);
const options = { fin: false };
const { port } = wss.address();
const ws = new WebSocket(ws://localhost:${port});
ws.on('open', function () {
(function send() {
ws.send(data, options, function (err) {
if (err) return;
send();
});
})();
});
ws.on('error', console.error);
ws.on('close', function (code, reason) {
console.log(client close - code: ${code} reason: ${reason.toString()});
});
});
wss.on('connection', function (ws) {
ws.on('error', console.error);
ws.on('close', function (code, reason) {
console.log(server close - code: ${code} reason: ${reason.toString()});
});
});

The vulnerability was responsibly disclosed and fixed by Nadav Magier.

In vulnerable versions, the issue can be mitigated by lowering the value of the maxPayload option if possible.

8.20.1

... (truncated)

Commits

• bca91ad [dist] 8.21.0
• 2b2abd4 [security] Limit retained message parts
• 78eabe2 [security] Add latest vulnerability to SECURITY.md
• 5d9b316 [dist] 8.20.1
• c0327ec [security] Fix uninitialized memory disclosure in websocket.close()
• ce2a3d6 [ci] Test on node 26
• 58e45b8 [ci] Do not test on node 25
• 5f26c24 [ci] Run the lint step on node 24
• 8439255 [dist] 8.20.0
• d3503c1 [minor] Export the PerMessageDeflate class and header utils
• Additional commits viewable in compare view

Updates @wp-playground/cli from 3.1.36 to 3.1.54

Release notes

Sourced from @​wp-playground/cli's releases.

WordPress Playground v3.1.54

Tools

PHP WebAssembly

• [Website] Simplify the Dock with modular developer tools. (#4312)

Documentation

• [i18n] Update Tagalog intro.md to match English documentation. (#4315)
• [i18n] Update Tagalog quick start guide for the Dock UI. (#4314)
• [i18n] Update Tagalog web instance documentation for the Dock UI. (#4313)

Website

• Await php.ini writes during boot. (#4265)
• Remove abandoned metadata-only autosaves on site loading. (#4319)

Various

• Add My WordPress referrer marker help. (#4317)
• Record which channel new and returning Personal WP visits came through. (#4310)
• Track exact My WP streak lengths. (#4318)

Contributors

The following contributors merged PRs in this release:

@​adamziel @​akirk @​fellyph @​mho22 @​rollybueno

---

Install via npm:

npm install @wp-playground/client@3.1.54

Or browse all packages on npm.

Stay up to date: Click Watch → Custom → Releases at the top of this repository to get notified of new releases.

WordPress Playground v3.1.53

Documentation

• Personal Playground: Let a WordPress page request a site backup. (#4304)
• [Docs] Add GitHub UI documentation contribution guide. (#3724)

... (truncated)

Changelog

Sourced from @​wp-playground/cli's changelog.

[v3.1.54] (2026-09-14)

Tools

PHP WebAssembly

• [Website] Simplify the Dock with modular developer tools. (#4312)

Documentation

• [i18n] Update Tagalog intro.md to match English documentation. (#4315)
• [i18n] Update Tagalog quick start guide for the Dock UI. (#4314)
• [i18n] Update Tagalog web instance documentation for the Dock UI. (#4313)

Website

• Await php.ini writes during boot. (#4265)
• Remove abandoned metadata-only autosaves on site loading. (#4319)

Various

• Add My WordPress referrer marker help. (#4317)
• Record which channel new and returning Personal WP visits came through. (#4310)
• Track exact My WP streak lengths. (#4318)

Contributors

The following contributors merged PRs in this release:

@​adamziel @​akirk @​fellyph @​mho22 @​rollybueno

[v3.1.53] (2026-09-07)

Documentation

• Personal Playground: Let a WordPress page request a site backup. (#4304)
• [Docs] Add GitHub UI documentation contribution guide. (#3724)
• [i18n] Add Bengali (bn) translation for the troubleshooting page. (#4289)

PHP WebAssembly

• Fix external PHP extension ABI exports. (#4108)

Website

• Exclude PHP next from pre-emptive offline loading. (#4294)
• Only render same-origin blob: URLs in the editor iframe's empty.html. (#4308)

... (truncated)

Commits

• b64c3a5 v3.1.54
• aaabe50 Recompile WordPress major and beta versions
• d7657d3 [Website] Simplify the Dock with modular developer tools (#4312)
• ced1c35 [Website] Remove abandoned metadata-only autosaves on site loading (#4319)
• 2bfa21f Track exact My WP streak lengths (#4318)
• 314b8a1 Refresh SQLite integration plugin
• b381ca9 Await php.ini writes during boot (#4265)
• 6d7e41c Add My WordPress referrer marker help (#4317)
• 2d520bc Record which channel new and returning Personal WP visits came through (#4310)
• 6776caa [i18n] Update Tagalog intro.md to match English docs (#4315)
• Additional commits viewable in compare view

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