CVE-2021-23654
Through this a malicious actor can embed or generate a malicious link or execute commands via CSV files.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This affects all versions of package html-to-csv. When there is a formula embedded in a HTML page, it gets accepted without any validation and the same would be pushed while converting it into a CSV file. Through this a malicious actor can embed or generate a malicious link or execute commands via CSV files.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.24% probability · 69th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1236
- Affected
- html-to-csv project/html-to-csv
- Source
- report@snyk.io
EPSS 1.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.pyExploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784Exploit, Third Party Advisory
- https://github.com/hanwentao/html2csv/blob/master/html2csv/converter.pyExploit, Third Party Advisory
- https://snyk.io/vuln/SNYK-PYTHON-HTMLTOCSV-1582784Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.