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High severity8.8NVD Advisory· Published Aug 26, 2021· Updated Jun 17, 2026

CVE-2021-3734

CVE-2021-3734

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
yourls/yourlsPackagist	<= 1.8.1	—

Affected products

3

Yourls/Yourls2 versions
cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*range: <=1.8.1
- (no CPE)range: unspecified
ghsa-coords
pkg:composer/yourls/yourls
Range: <= 1.8.1

Patches

Vulnerability mechanics

References

4

github.com/yourls/yourls/commit/0a70acdcfb5fcbc63dbc5750018d608288eba3fenvdPatchThird Party AdvisoryWEB
huntr.dev/bounties/dd2e2dbe-efe5-49ec-be11-7a7e7c41debdnvdExploitIssue TrackingThird Party AdvisoryWEB
github.com/advisories/GHSA-r6g8-jmj9-g945ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2021-3734ghsaADVISORY

News mentions

0

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