What is CVE-2021-36712?

CVE-2021-36712 is a medium-severity vulnerability in Yzmcms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-02-03.

How severe is CVE-2021-36712?

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

XSS in Yzmcms

CVE-2021-36712

Cross Site Scripting (XSS) vulnerability in yzmcms 6.1 allows attackers to steal user cookies via image clipping function.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-02-03 · 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 (39.2th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.2% 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

Yzmcms — versions 6.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/linuka-deception/yzmcms6.1.git (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-36712?: CVE-2021-36712 is a medium-severity vulnerability in Yzmcms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-02-03.
How severe is CVE-2021-36712?: Medium severity. CVSS v3 base score is 5.4 out of 10.