CVE-2020-28495
Prototype Pollution
CVE-2020-28495 is a high vulnerability (CVSS 7.3) in Totaljs Total.js, published February 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.76%, the 89th percentile. Fixed in total.js 3.4.7.
This affects the package total.js before 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
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
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Prototype Pollution
This affects the package total.js before 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
- Record
CVE-2020-28495- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-0536
This affects the package total.js before 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
- Record
EUVD-2021-0536- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6cf8-qhqj-vjqm
Prototype pollution in total.js
There is a prototype pollution vulnerability in the package total.js before version 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
- Record
GHSA-6cf8-qhqj-vjqm- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-400, CWE-1321
- Updated
- 2026-11-02
NVD
This affects the package total.js before 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
- Record
CVE-2020-28495- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
OSV
This affects the package total.js before 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
- Record
CVE-2020-28495- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
OSVGHSA-6cf8-qhqj-vjqm
Prototype pollution in total.js
There is a prototype pollution vulnerability in the package total.js before version 3.4.7. The set function can be used to set a value into the object according to the path. However the keys of the path being set are not properly sanitized, leading to a prototype pollution vulnerability. The impact depends on the application. In some cases it is possible to achieve Denial of service (DoS), Remote Code Execution or Property Injection.
- Record
GHSA-6cf8-qhqj-vjqm- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-1321, CWE-400
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
total.jsnpm |
before 3.4.7 | 3.4.7 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, published | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
snyk.io/vuln/SNYK-JS-TOTALJS-1046671
docs.totaljs.com/latest/en.html%23api~FrameworkUtils~U.set
github.com/totaljs/framework/blob/master/utils.js%23L6606
nvd.nist.gov/vuln/detail/CVE-2020-28495
npmjs.com/package/total.js