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Harden ultracode inline onclick handlers against XSS

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The ultracode run/agent cards and minimized-tab badges built inline onclick
handlers by interpolating escapeHtml(value) inside single-quoted JavaScript
strings within an HTML attribute:

    onclick="app.openUltracodeAgentWindow('${escapeHtml(agentId)}', ...)"

escapeHtml maps ' -> ', but the browser HTML-decodes the attribute value
before the handler source is parsed, so ' becomes a literal ' again and a
quote in a run/agent/session id breaks out of the string literal into
executable JS. escapeHtml alone is insufficient for the JS-string-within-HTML-
attribute double context.

Switch each handler to escapeHtml(JSON.stringify(value)): JSON.stringify
JS-encodes and quote-wraps the value, then escapeHtml handles the HTML
attribute layer, so the value round-trips as an inert string argument. This
matches the encoding already used by other handlers in these files.

Affected:
- ultracode-panel.js: selectWorkflowRun, openUltracodeAgentWindow
- ultracode-windows.js: restore/dismiss for minimized run and agent tabs
This commit is contained in:
Aamer Akhter
2026-06-19 08:55:24 -04:00
parent 5d59c1764d
commit 06871eb7e3
2 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/web/public/ultracode-panel.js
+2 -2
View File
@@ -204,7 +204,7 @@ Object.assign(CodemanApp.prototype, {
phasesHtml = `<div class="ultracode-phase-list">${chips.join('')}</div>`;
}
return (
`<div class="ultracode-run-item${active ? ' selected' : ''}" onclick="app.selectWorkflowRun('${escapeHtml(r.runId)}')">` +
`<div class="ultracode-run-item${active ? ' selected' : ''}" onclick="app.selectWorkflowRun(${escapeHtml(JSON.stringify(r.runId))})">` +
`<div class="ultracode-run-head"><span class="ultracode-run-name">${name}</span>` +
`<span class="ultracode-status ${statusCls}">${escapeHtml(status || '—')}</span></div>` +
`<div class="ultracode-run-stats">${escapeHtml(stats)}</div>` +
@@ -279,7 +279,7 @@ Object.assign(CodemanApp.prototype, {
const cardStateCls = state === 'done' ? ' uw-state-done' : state === 'progress' ? ' uw-state-working' : '';
const cardAttrs = clickable
? ` class="ultracode-agent-card ultracode-agent-card--clickable${cardStateCls}" role="button" tabindex="0"` +
` title="View transcript" onclick="app.openUltracodeAgentWindow('${escapeHtml(a.agentId)}','${escapeHtml(runId || '')}')"`
` title="View transcript" onclick="app.openUltracodeAgentWindow(${escapeHtml(JSON.stringify(a.agentId))},${escapeHtml(JSON.stringify(runId || ''))})"`
: ` class="ultracode-agent-card${cardStateCls}"`;
return (
`<div${cardAttrs}>` +
src/web/public/ultracode-windows.js
+4 -4
View File
@@ -351,11 +351,11 @@ Object.assign(CodemanApp.prototype, {
const name = run ? run.workflowName || run.summary || runId : runId;
const statusCls = this._workflowStatusClass(run ? String(run.status || '') : '');
items.push(
`<div class="subagent-dropdown-item" onclick="event.stopPropagation(); app.restoreUltracodeRunFromTab('${escapeHtml(runId)}','${escapeHtml(sessionId)}')" title="Click to restore run">` +
`<div class="subagent-dropdown-item" onclick="event.stopPropagation(); app.restoreUltracodeRunFromTab(${escapeHtml(JSON.stringify(runId))},${escapeHtml(JSON.stringify(sessionId))})" title="Click to restore run">` +
`<span class="subagent-dropdown-status ${statusCls}"></span>` +
`<span class="ultracode-dd-icon">🧬</span>` +
`<span class="subagent-dropdown-name">${escapeHtml(trunc(name))}</span>` +
`<span class="subagent-dropdown-close" onclick="event.stopPropagation(); app.dismissMinimizedUltracodeRun('${escapeHtml(runId)}','${escapeHtml(sessionId)}')" title="Dismiss">&times;</span>` +
`<span class="subagent-dropdown-close" onclick="event.stopPropagation(); app.dismissMinimizedUltracodeRun(${escapeHtml(JSON.stringify(runId))},${escapeHtml(JSON.stringify(sessionId))})" title="Dismiss">&times;</span>` +
`</div>`
);
}
@@ -365,11 +365,11 @@ Object.assign(CodemanApp.prototype, {
for (const [agentId, entry] of agentMap) {
const name = (entry && entry.label) || agentId;
items.push(
`<div class="subagent-dropdown-item" onclick="event.stopPropagation(); app.restoreUltracodeAgentFromTab('${escapeHtml(agentId)}','${escapeHtml(sessionId)}')" title="Click to restore transcript">` +
`<div class="subagent-dropdown-item" onclick="event.stopPropagation(); app.restoreUltracodeAgentFromTab(${escapeHtml(JSON.stringify(agentId))},${escapeHtml(JSON.stringify(sessionId))})" title="Click to restore transcript">` +
`<span class="subagent-dropdown-status"></span>` +
`<span class="ultracode-dd-icon">📄</span>` +
`<span class="subagent-dropdown-name">${escapeHtml(trunc(name))}</span>` +
`<span class="subagent-dropdown-close" onclick="event.stopPropagation(); app.dismissMinimizedUltracodeAgent('${escapeHtml(agentId)}','${escapeHtml(sessionId)}')" title="Dismiss">&times;</span>` +
`<span class="subagent-dropdown-close" onclick="event.stopPropagation(); app.dismissMinimizedUltracodeAgent(${escapeHtml(JSON.stringify(agentId))},${escapeHtml(JSON.stringify(sessionId))})" title="Dismiss">&times;</span>` +
`</div>`
);
}