CVE-2026-32040

描述

## Summary The HTML session exporter (`src/auto-reply/reply/export-html/template.js`) interpolates `img.mimeType` directly into `<img src="data:...">` attributes without validation or escaping. A crafted `mimeType` value (e.g., `x" onerror="alert(1)`) can break out of the attribute context and execute arbitrary JavaScript. ## Impact An attacker who can control image entries in session data (via crafted tool results or session manipulation) can achieve XSS when the exported HTML is opened. The precondition is tighter than the main XSS finding (requires image content blocks with a malicious mimeType), but exploitation is straightforward. ## Affected components - `src/auto-reply/reply/export-html/template.js` — line 1032 (tool result images), line 1306 (user message images) ## Reproduction 1. Craft a session entry with an image content block where `mimeType` is set to `image/png" onerror="alert(document.domain)` 2. Export the session to HTML 3. Open the exported HTML — the injected `onerror` fires ## Remediation - Added `sanitizeImageMimeType()` helper that validates mimeType against a whitelist of known image MIME types - Falls back to `application/octet-stream` for unrecognized values, preventing attribute breakout ## Fix https://github.com/openclaw/openclaw/pull/24140

如何修補 CVE-2026-32040

要修補 CVE-2026-32040,請將受影響套件升級到下列已修補版本。

• —升級至 2026.2.23 或更新版本

CVE-2026-32040 正在被利用嗎?

低 — EPSS 為 0.1%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 2026.2.23

CVSS 分數