What is CVE-2020-20345?

CVE-2020-20345 is a medium-severity vulnerability in Wtcms Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-01.

How severe is CVE-2020-20345?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Wtcms Project

CVE-2020-20345

WTCMS 1.0 contains a reflective cross-site scripting (XSS) vulnerability in the page management background which allows attackers to obtain cookies via a crafted payload entered into the search box.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-09-01 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Wtcms Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
github.com/taosir/wtcms (Product, Third Party Advisory)
github.com/taosir/wtcms/issues/10 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-20345?: CVE-2020-20345 is a medium-severity vulnerability in Wtcms Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-01.
How severe is CVE-2020-20345?: Medium severity. CVSS v3 base score is 5.4 out of 10.