What is CVE-2020-20946?

CVE-2020-20946 is a medium-severity vulnerability in Qibosoft, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-27.

How severe is CVE-2020-20946?

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

XSS in Qibosoft

CVE-2020-20946

Qibosoft v7 contains a stored cross-site scripting (XSS) vulnerability in the component /admin/index.php?lfj=friendlink&action=add.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-12-27 · last modified 2026-06-17.

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: 0.006 (46.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% 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

Qibosoft — versions 7.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

blog.csdn.net/he_and/article/details/102698171 (Exploit, Third Party Advisory)
www.qibosoft.com/downloadProduction.htm (Vendor Advisory)

Frequently asked questions

What is CVE-2020-20946?: CVE-2020-20946 is a medium-severity vulnerability in Qibosoft, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-27.
How severe is CVE-2020-20946?: Medium severity. CVSS v3 base score is 5.4 out of 10.