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Fencer Vulns
medium 4.7

CVE-2025-48051 json

powertip.ts in Lila (for Lichess) before ab0beaf allows XSS in some applications because of an innerHTML usage pattern in which text is ext…

published 2025-05-15 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-15174

cvss
4.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

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.

Patch / fix

  • lichess powertip.ts 2025-03-27

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/lichess-org/lila/security/advisories/GHSA-9xhx-p3c5-p4v6 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Lichess Lila

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.