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

Source: https://junglewise.ai/threats/cve-2011-4924-zope-xss-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-02  
License: CC BY 4.0 with a link back

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

Zope XSS Vulnerability

Technologies: [Zope (PyPI)](https://junglewise.ai/threats/technologies/zope), [Zope2 (PyPI)](https://junglewise.ai/threats/technologies/zope2). Vendors: [PyPI](https://junglewise.ai/threats/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

  ```sh
  pip install "Zope>=3.7.3"
  ```

- Zope2 (PyPI): upgrade to 2.12.22, 2.13.12 or later

  ```sh
  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

## Related threats

- [PYSEC-2026-2326 - Access control vulnerable to user data deletion by anonynmous users](https://junglewise.ai/threats/cve-2024-51734-access-control-vulnerable-to-user-data-deletion-by-anonynmous)
- [PYSEC-2026-2325 - Information disclosure in AccessControl](https://junglewise.ai/threats/cve-2023-41050-information-disclosure-in-accesscontrol)
- [PYSEC-2026-2077 - Zope vulnerable to Stored Cross Site Scripting with SVG images](https://junglewise.ai/threats/cve-2023-42458-zope-vulnerable-to-stored-cross-site-scripting-with-svg-images)
- [PYSEC-2026-1067 - Zope Command Execution Vulnerability](https://junglewise.ai/threats/cve-2011-3587-zope-command-execution-vulnerability)
- [PYSEC-2026-760 - Zope DocumentTemplate package allows unauthenticated write](https://junglewise.ai/threats/cve-2000-0483-zope-documenttemplate-package-allows-unauthenticated-write)