What is CVE-2020-20605?

CVE-2020-20605 is a medium-severity vulnerability in Personal Blog Cms Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-22.

How severe is CVE-2020-20605?

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

XSS in Personal Blog Cms Project

CVE-2020-20605

Blog CMS v1.0 contains a cross-site scripting (XSS) vulnerability in the /controller/CommentAdminController.java component.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-12-22 · 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: 0.006 (44.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Personal Blog Cms Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/xuzijia/blog/issues/4 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-20605?: CVE-2020-20605 is a medium-severity vulnerability in Personal Blog Cms Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-22.
How severe is CVE-2020-20605?: Medium severity. CVSS v3 base score is 6.1 out of 10.