What is CVE-2023-43999?

CVE-2023-43999 is a medium-severity vulnerability in Linecorp Line, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-01-24.

How severe is CVE-2023-43999?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-43999 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Linecorp Line

CVE-2023-43999

An issue in COLORFUL_laundry mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (32.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Linecorp Line — versions 13.6.1
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-43999?: CVE-2023-43999 is a medium-severity vulnerability in Linecorp Line, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-01-24.
How severe is CVE-2023-43999?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-43999 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.