CVE-2020-35951: An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It allows users to delete arbitrary files such as wp-config.php file, which could effectively take a site offli

critical Affects quiz-and-survey-master (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It allows users to delete arbitrary files such as wp-config.php file, which could effectively take a site offli

Package
quiz-and-survey-master (WordPress plugin) WordPress
Affected versions
<7.0.1
Fixed in
7.0.1
Severity
critical  CVSS 9.9
Exploitation
not on CISA KEV · EPSS 76% (99.5th percentile)
Published
2021-01-01
Source
nvd

References

CWE-306
NVD recordquiz-and-survey-master (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories