What is CVE-2021-46026?

CVE-2021-46026 is a medium-severity vulnerability in Wangl1989 Mysiteforme, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-20.

How severe is CVE-2021-46026?

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

XSS in Wangl1989 Mysiteforme

CVE-2021-46026

mysiteforme, as of 19-12-2022, is vulnerable to Cross Site Scripting (XSS) via the add blog tag function in the blog tag in the background blog management.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-01-20 · 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: 0.004 (35.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Wangl1989 Mysiteforme

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/wangl1989/mysiteforme/issues/39 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-46026?: CVE-2021-46026 is a medium-severity vulnerability in Wangl1989 Mysiteforme, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-20.
How severe is CVE-2021-46026?: Medium severity. CVSS v3 base score is 5.4 out of 10.