What’s Vulnerable › Vulnerabilities

CVE-2025-48051

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-05-15 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Lichess Powertip.Ts: before 2025-03-27 — fixed in 2025-03-27

How to fix

Upgrade to a fixed version: Lichess Powertip.Ts 2025-03-27. Check the vendor advisory for mitigations.

References

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

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