Cross-site scripting in recommender-xblock
Recommender before 1.3.1 allows XSS. It is possible for a learner to craft a fake resource to recommender, that includes script which could possibly steal credentials from staff if they are lured into viewing the recommended resource.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | recommender-xblock | < 1.3.1 | 1.3.1 |
References
- https://groups.google.com/forum/#!topic/openedx-announce/SF8Sn6MuUTg
- https://github.com/edx/RecommenderXBlock/pull/2
- https://github.com/advisories/GHSA-3j5x-7ccf-ppgm
- https://nvd.nist.gov/vuln/detail/CVE-2018-20858
- https://github.com/openedx/RecommenderXBlock
- https://github.com/pypa/advisory-database/tree/main/vulns/recommender-xblock/PYSEC-2019-219.yaml
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Python (PyPI)
- Package
recommender-xblock- Disclosed
- 09.08.2019
- Updated
- 11.10.2026 11:20
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2019-219 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-3j5x-7ccf-ppgm - CC BY 4.0
Vulnerability history: recommender-xblock
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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