What is CVE-2020-18998?

CVE-2020-18998 is a medium-severity vulnerability in Blog Mini Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-27.

How severe is CVE-2020-18998?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Blog Mini Project

CVE-2020-18998

Cross Site Scripting (XSS) in Blog_mini v1.0 allows remote attackers to execute arbitrary code via the component '/admin/custom/blog-plugin/add'.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-08-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (66.6th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Blog Mini Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/xpleaf/Blog_mini/issues/44 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-18998?: CVE-2020-18998 is a medium-severity vulnerability in Blog Mini Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-27.
How severe is CVE-2020-18998?: Medium severity. CVSS v3 base score is 6.1 out of 10.