CVE-2020-28364 json
Locust Stored Cross-site Scripting Vulnerability
published 2020-11-09 5 y ago modified 2026-06-17 4 mo ago also GHSA-vqxw-9pg7-v7v9 , PYSEC-2020-60 , EUVD-2020-0100
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
A stored cross-site scripting (XSS) vulnerability affects the Web UI in Locust before 1.3.2, if the installation violates the usage expectations by exposing this UI to outside users.
Patch / fix
- pypi locust 1.3.2
- locust locust 1.3.2
- github.com/locustio/locust@0d11817 commit
- github.com/locustio/locust@4049173 commit
- github.com/locustio/locust#1603 pull request
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | locust | <1.3.2 |
1.3.2 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/locustio/locust/pull/1603
web
-
github.com
/locustio/locust/commit/0d118179709b4a60174810bae4db41d40e4c99ad
web
-
github.com
/locustio/locust/commit/4049173b3466da236b1d8d8d3519e73c01525a0d
web
-
docs.locust.io
/en/stable/changelog.html
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-28364
advisory
-
github.com
/locustio/locust
package
-
github.com
/pypa/advisory-database/tree/main/vulns/locust/PYSEC-2020-60.yaml
web
-
github.com
/advisories/GHSA-vqxw-9pg7-v7v9
advisory
Sources
- CVE List CVE-2020-28364
- GitHub Advisory GHSA-vqxw-9pg7-v7v9
- NVD CVE-2020-28364
- OSV PYSEC-2020-60
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.