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Fencer Intel
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 last yr. modified 4mo 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

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-09).

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 Intel 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.