Vulnerability · Published Feb 8, 2022 · Assigned by jpcert

CVE-2022-21241

Critical 9.6

In plain English

A critical-severity security flaw in CSV+ from Plus one. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)9.6Critical

Exploit odds (30 days)3.2%top 11.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official description

Cross-site scripting vulnerability in CSV+ prior to 0.8.1 allows a remote unauthenticated attacker to inject an arbitrary script or an arbitrary OS command via a specially crafted CSV file that contains HTML a tag.

Affected products (as reported)

Vendor	Product	Versions
Plus one	CSV+	prior to 0.8.1

References

https://github.com/plusone-masaki/csv-plus/releases/tag/v0.8.1 x_refsource_MISC
https://jvn.jp/en/jp/JVN67396225/index.html x_refsource_MISC