CVE-2021-33507
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | products-pluggableauthservice | <2.6.2 | 2.6.2 |
| PyPI | products-cmfcore | <2.5.1 | 2.5.1 |
| PyPI | plone | <=5.2.4 | |
| PyPI | plone | <5.2.5 | 5.2.5 |
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
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.