Cross-site scripting in Products.CMFCore, Products.PluggableAuthService, Plone
Zope Products.CMFCore before 2.5.1 and Products.PluggableAuthService before 2.6.2, as used in Plone through 5.2.4 and other products, allow Reflected XSS.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | plone | < 5.2.5 | 5.2.5 |
| Python (PyPI) | products-cmfcore | < 2.5.1 | 2.5.1 |
| Python (PyPI) | products-pluggableauthservice | < 2.6.2 | 2.6.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-33507
- https://github.com/advisories/GHSA-35rg-466w-77h3
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2021-79.yaml
- https://plone.org/security/hotfix/20210518/reflected-xss-in-various-spots
- http://www.openwall.com/lists/oss-security/2021/05/22/1
- https://pypi.org/project/products-cmfcore
- https://pypi.org/project/products-pluggableauthservice
- 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
plone, products-cmfcore, products-pluggableauthservice- Disclosed
- 21.05.2021
- Updated
- 11.10.2026 14:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2021-79 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2026-2961 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-35rg-466w-77h3 - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2026-2967 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: products-pluggableauthservice
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
- 3
- First → latest
- 03.2021 05.2021
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 2
Disclosures per year
- 2021: 3
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Cross-site scripting in Products.CMFCore, Products.PluggableAuthService, Plone this entry
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