What is CVE-2018-18626?

CVE-2018-18626 is a high-severity vulnerability in Phpyun. CVSS score: 7.5/10. Published 2018-10-23.

How severe is CVE-2018-18626?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Phpyun

CVE-2018-18626

An issue was discovered in PHPYun V4.6. There is a vulnerability that can delete any file or directory via the "admin/index.php?m=database&c=del" sql parameter because del_action() in admin/model/database.class.php mishandles this parameter.

Published 2018-10-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Phpyun — versions 4.6

References

str3am.me/2018/10/23/CVE_01/ (URL Repurposed, Third Party Advisory, Broken Link)

Frequently asked questions

What is CVE-2018-18626?: CVE-2018-18626 is a high-severity vulnerability in Phpyun. CVSS score: 7.5/10. Published 2018-10-23.
How severe is CVE-2018-18626?: High severity. CVSS v3 base score is 7.5 out of 10.