Mezzanine Cross Site Scripting (XSS) vulnerability
Cross Site Scripting (XSS) in Mezzanine v4.3.1 allows remote attackers to execute arbitrary code via the Description field of the component admin/blog/blogpost/add/. This issue is different than CVE-2018-16632.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | mezzanine | <= 6.0.0 | no fix |
References
- https://github.com/stephenmcd/mezzanine/issues/1921
- https://github.com/advisories/GHSA-fpv7-hx6r-9vcx
- https://nvd.nist.gov/vuln/detail/CVE-2020-19002
- https://github.com/pypa/advisory-database/tree/main/vulns/mezzanine/PYSEC-2021-343.yaml
- https://github.com/stephenmcd/mezzanine
- https://github.com/stephenmcd/mezzanine/blob/v6.0.0/mezzanine/blog/templates/blog/blog_post_list.html#L112
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Python (PyPI)
- Package
mezzanine- Disclosed
- 27.08.2021
- Updated
- 11.10.2026 12:20
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2021-343 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-fpv7-hx6r-9vcx - CC BY 4.0
Vulnerability history: mezzanine
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 6
- First → latest
- 08.2021 07.2025
- Without a fix
- 5
- Exploited in attacks
- 0
Severity breakdown
- Medium 6
Disclosures per year
- 2021: 1
- 2022: 0
- 2023: 0
- 2024: 2
- 2025: 3
- 2026: 0
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Mezzanine Cross Site Scripting (XSS) vulnerability this entry
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