CVE•Published 2023-12-07•Modified 2026-07-09•1 article on news•5 live references•NVD data
CVE-2023-43303Linecorp · Line
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS percentile
41
Exploit Prediction Scoring System · top 59% of all CVEs
Description
An issue in craftbeer bar canvas mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token (via captured network traffic).
Timeline
Published 2023-12-07
Modified 2026-07-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-43303Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Linecorp Line" version:"13.6.1"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Line"HTTP body or banner mentions "Line" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-43303Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-43303Censys host search filtered to this CVE id.
grep.app
CVE-2023-43303Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-43303GitHub code search for direct mentions.
Google dork
"CVE-2023-43303" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.