CVE-2011-4924

Zope XSS Vulnerability

6.1 MediumFix available

Cross-site scripting (XSS) vulnerability in Zope 2.8.x before 2.8.12, 2.9.x before 2.9.12, 2.10.x before 2.10.11, 2.11.x before 2.11.6, and 2.12.x before 2.12.3, 3.1.1 through 3.4.1. allows remote attackers to inject arbitrary web script or HTML via vectors related to the way error messages perform sanitization. NOTE: this issue exists because of an incomplete fix for CVE-2010-1104

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.36%Unchanged since Feb 4, 2022

What each source reports

NVD Score used 6.1

Record: CVE-2011-4924
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2011-4924
Updated: 2026-11-02

EUVDEUVD-2022-1838 No score

Record: EUVD-2022-1838
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vh6g-786f-hxxp 6.1

Zope XSS Vulnerability

Record: GHSA-vh6g-786f-hxxp
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-vh6g-786f-hxxp 6.1

Zope XSS Vulnerability

Record: GHSA-vh6g-786f-hxxp
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVPYSEC-2026-3440 6.1

Zope XSS Vulnerability

Record: PYSEC-2026-3440
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVPYSEC-2026-766 6.1

Zope XSS Vulnerability

Record: PYSEC-2026-766
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`zope` PyPI	3.1.1 up to 3.7.3	3.7.3
`zope2` PyPI	before 2.12.22	2.12.22
`zope2` PyPI	2.13.0a1 up to 2.13.12	2.13.12
`zope2` PyPI	before 2.12.22, plus listed versions 2.12.02.12.0.a12.12.0a22.12.0a32.12.0a4 Show 26 moreShow less 2.12.0b12.12.0b22.12.0b32.12.0b42.12.0c12.12.12.12.102.12.112.12.122.12.132.12.142.12.152.12.162.12.172.12.182.12.192.12.22.12.202.12.212.12.32.12.42.12.52.12.62.12.72.12.82.12.9	2.12.22
`zope2` PyPI	2.13.0a1 up to 2.13.12, plus listed versions 2.13.02.13.0a22.13.0a32.13.0a42.13.0b1 Show 12 moreShow less 2.13.0c12.13.12.13.102.13.112.13.22.13.32.13.42.13.52.13.62.13.72.13.82.13.9	2.13.12
`zope2` PyPI	before 2.12.22, 2.13.0a1 up to 2.13.12, plus listed versions 2.12.02.12.0.a12.12.0a22.12.0a32.12.0a4 Show 43 moreShow less 2.12.0b12.12.0b22.12.0b32.12.0b42.12.0c12.12.12.12.102.12.112.12.122.12.132.12.142.12.152.12.162.12.172.12.182.12.192.12.22.12.202.12.212.12.32.12.42.12.52.12.62.12.72.12.82.12.92.13.02.13.0a22.13.0a32.13.0a42.13.0b12.13.0c12.13.12.13.102.13.112.13.22.13.32.13.42.13.52.13.62.13.72.13.82.13.9	2.12.222.13.12

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-4924 is a medium vulnerability (CVSS 6.1) in Zope, published November 25, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.36%, the 71st percentile. Fixed in zope 3.7.3.

References

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