What is CVE-2021-3734?

CVE-2021-3734 is a high-severity vulnerability in Yourls, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 8.8/10. Published 2021-08-26.

How severe is CVE-2021-3734?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Yourls

CVE-2021-3734

yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames

EPSS: 0.004 (32.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Yourls
Yourls Yourls/yourls — versions unspecified

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)
CWE-352 — Cross-Site Request Forgery (CSRF)

References

security@huntr.dev (x_refsource_CONFIRM, Exploit, Third Party Advisory, Issue Tracking)
security@huntr.dev (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-3734?: CVE-2021-3734 is a high-severity vulnerability in Yourls, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 8.8/10. Published 2021-08-26.
How severe is CVE-2021-3734?: High severity. CVSS v3 base score is 8.8 out of 10.