cfscrape Improper Input Validation vulnerability

published 2017-03-23 9 y ago modified 2026-06-17 4 mo ago also GHSA-5mc5-5j6c-qmf9 , PYSEC-2017-7 , EUVD-2017-0016

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

An issue was discovered in cloudflare-scrape 1.6.6 through 1.7.1. A malicious website owner could craft a page that executes arbitrary Python code against any cfscrape user who scrapes that website. This is fixed in 1.8.0.

Patch / fix

fixed in 1 links 1

pypi cfscrape 1.8.0

github.com/Anorov/cloudflare-scrape/releases/tag/1.8.0 release

Exploit prediction

1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P
GitHub	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
pypi	cfscrape	>=1.6.6, <1.8.0	1.8.0

Classification

Weakness

CWE-20 Improper Input Validation

References

github.com /Anorov/cloudflare-scrape/releases/tag/1.8.0
web, patch, vendor-advisory
github.com /Anorov/cloudflare-scrape/issues/97
web, issue-tracking, vendor-advisory, report
securityfocus.com /bid/97191
vdb-entry, web
nvd.nist.gov /vuln/detail/CVE-2017-7235
advisory
github.com /Anorov/cloudflare-scrape
package
github.com /advisories/GHSA-5mc5-5j6c-qmf9
advisory
github.com /pypa/advisory-database/tree/main/vulns/cfscrape/PYSEC-2017-7.yaml
web
web.archive.org /web/20170701161512/http://www.securityfocus.com/bid/97191
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary