High severity7.8NVD Advisory· Published Jun 28, 2021· Updated Jun 17, 2026

CVE-2021-20745

Description

Inkdrop versions prior to v5.3.1 allows an attacker to execute arbitrary OS commands on the system where it runs by loading a file or code snippet containing an invalid iframe into Inkdrop.

AI Insight

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

Affected products

Inkdrop/Inkdrop3 versions
cpe:2.3:a:inkdrop:inkdrop:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:inkdrop:inkdrop:*:*:*:*:*:*:*:*range: <5.3.1
- (no CPE)range: <5.3.1
- (no CPE)range: versions prior to v5.3.1

Patches

Vulnerability mechanics

References

docs.inkdrop.app/releases/5.3.1nvdRelease NotesVendor Advisory
jvn.jp/en/jp/JVN29949691/index.htmlnvdThird Party Advisory
www.inkdrop.appnvdProductVendor Advisory

News mentions

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cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000