CVE-2023-43304
CVE-2023-43304 is a high-severity vulnerability in Linecorp Line with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-290.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-290
- Affected product: Linecorp Line
- Published:
- Last modified:
Description
An issue in PARK DANDAN mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.
Frequently asked questions
- What is CVE-2023-43304?
- An issue in PARK DANDAN mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.
- How severe is CVE-2023-43304?
- CVE-2023-43304 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2023-43304 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-43304?
- CVE-2023-43304 affects Linecorp Line. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-43304?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-43304 published?
- CVE-2023-43304 was published on 2023-12-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:linecorp:line:13.6.1:*:*:*:*:*:*:*
More vulnerabilities in Linecorp Line
- CVE-2023-45559 — High (CVSS 8.2): An issue in Tamaki_hamanoki Line v.13.6.1 allows attackers to send crafted notifications via leakage of the channel…
- CVE-2023-43305 — High (CVSS 8.2): An issue in studio kent mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage…
- CVE-2023-43303 — High (CVSS 8.2): An issue in craftbeer bar canvas mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via…
- CVE-2023-43302 — High (CVSS 8.2): An issue in sanTas mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the…
- CVE-2023-43301 — High (CVSS 8.2): An issue in DARTS SHOP MAXIM mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via…
- CVE-2023-43300 — High (CVSS 8.2): An issue in urban_project mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage…
All CVEs affecting Linecorp Line →
Other CWE-290 vulnerabilities
- CVE-2026-54782 — Critical (CVSS 10.0): CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1,…
- CVE-2026-48567 — Critical (CVSS 10.0): Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-6213 — Critical (CVSS 10.0): A vulnerability in Remote Spark SparkView before build 1122 allows an attacker to bypasses the local connection check…
- CVE-2026-39858 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high…
- CVE-2025-66570 — Critical (CVSS 10.0): cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability…
- CVE-2025-34063 — Critical (CVSS 10.0): A cryptographic authentication bypass vulnerability exists in OneLogin AD Connector prior to 6.1.5 due to the exposure…