CVE-2011-4924: PYSEC-2026-766 - Zope XSS Vulnerability

CVE-2011-4924 · Severity: low · CVSS 3.1 · Published 2026-07-02

Zope XSS Vulnerability

Technologies: Zope (PyPI), Zope2 (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2011-4924 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2011-4924 being exploited in the wild.
How severe is CVE-2011-4924?
Low severity, with a CVSS score of 3.1, published 2 July 2026.
Which products and versions are affected?
Zope (PyPI) ECOSYSTEM:introduced=3.1.1,fixed=3.7.3; Zope2 (PyPI) ECOSYSTEM:introduced=0,fixed=2.12.22, ECOSYSTEM:introduced=0,fixed=2.12.22,introduced=2.13.0a1,fixed=2.13.12.
Is there a fix for CVE-2011-4924?
Yes. Zope (PyPI): upgrade to 3.7.3 or later; Zope2 (PyPI): upgrade to 2.12.22, 2.13.12 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2011-4924?
Check whether you run Zope (PyPI) or Zope2 (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Zope (PyPI): upgrade to 3.7.3 or later
    pip install "Zope>=3.7.3"
  • Zope2 (PyPI): upgrade to 2.12.22, 2.13.12 or later
    pip install "Zope2>=2.13.12"

Affected products

  • Zope (PyPI) ECOSYSTEM:introduced=3.1.1,fixed=3.7.3
  • Zope2 (PyPI) ECOSYSTEM:introduced=0,fixed=2.12.22, ECOSYSTEM:introduced=0,fixed=2.12.22,introduced=2.13.0a1,fixed=2.13.12

Identifiers

  • CVE-2011-4924
  • GHSA-vh6g-786f-hxxp
  • PYSEC-2026-3440
  • PYSEC-2026-766

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