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UK Cyber Defence
VulnerabilityDeferred

CVE-2026-112148

A vulnerability has been identified in LIFF SDK versions 2.20.0 through 2.31.0, where a DOM-based cross-site scripting (XSS) flaw allows an attacker to execute arbitrary JavaScript in the origin of an affected LIFF application's endpoint when a user…

MEDIUM 5.1EPSS 0.43%

Does this matter?

Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability has been identified in LIFF SDK versions 2.20.0 through 2.31.0, where a DOM-based cross-site scripting (XSS) flaw allows an attacker to execute arbitrary JavaScript in the origin of an affected LIFF application's endpoint when a user opens a specially crafted URL in an external browser, potentially leading to disclosure of JavaScript-accessible authentication tokens or application data, or unauthorized actions using the user's session.

CVSS 4.0
5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.43% probability · 37th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Source
dl_cve@linecorp.com
EPSS trend
0%3%5%20 October 2026: 0.36%26 October 2026: 0.43%20 October 202626 October 2026

EPSS moved from 0.4% on 20 October 2026 to 0.4% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.