What is CVE-2018-0509?

CVE-2018-0509 is a high-severity vulnerability in Kkcal Epg Search Result Viewer(kkcald), classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-02-01.

How severe is CVE-2018-0509?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Kkcal Epg Search Result Viewer(kkcald)

CVE-2018-0509

Cross-site request forgery (CSRF) vulnerability in epg search result viewer (kkcald) 0.7.21 and earlier allows an attacker to hijack the authentication of administrators via unspecified vectors.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-02-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Kkcal Epg Search Result Viewer(kkcald) — versions 0.7.21 and earlier
Kkcald Project

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

dbit.web.fc2.com/ (Third Party Advisory)
jvn.jp/en/jp/JVN91393903/index.html (VDB Entry, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-0509?: CVE-2018-0509 is a high-severity vulnerability in Kkcal Epg Search Result Viewer(kkcald), classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-02-01.
How severe is CVE-2018-0509?: High severity. CVSS v3 base score is 8.8 out of 10.