CVE-2020-35949
An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It made...
An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It made it possible for unauthenticated attackers to upload arbitrary files and achieve remote code execution. If a quiz question could be answered by uploading a file, only the Content-Type header was checked during the upload, and thus the attacker could use text/plain for a .php file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It made it possible for unauthenticated attackers to upload arbitrary files and achieve remote code execution. If a quiz question could be answered by uploading a file, only the Content-Type header was checked during the upload, and thus the attacker could use text/plain for a .php file.
- Record
CVE-2020-35949- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N - Updated
- 2026-11-02
EUVDEUVD-2020-23532
An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It made it possible for unauthenticated attackers to upload arbitrary files and achieve remote code execution. If a quiz question could be answered by uploading a file, only the Content-Type header was checked during the upload, and thus the attacker could use text/plain for a .php file.
- Record
EUVD-2020-23532- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j7g6-6g73-449h No score
An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It made...
An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It made it possible for unauthenticated attackers to upload arbitrary files and achieve remote code execution. If a quiz question could be answered by uploading a file, only the Content-Type header was checked during the upload, and thus the attacker could use text/plain for a .php file.
- Record
GHSA-j7g6-6g73-449h- Weakness
- CWE-732
- Updated
- 2026-11-02
NVD
An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. It made it possible for unauthenticated attackers to upload arbitrary files and achieve remote code execution. If a quiz question could be answered by uploading a file, only the Content-Type header was checked during the upload, and thus the attacker could use text/plain for a .php file.
- Record
CVE-2020-35949- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-35949 is a critical vulnerability (CVSS 10.0) in Expresstech Quiz And Survey Master, published January 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.15%, the 92nd percentile. No source names a fixed version.