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CVE-2023-42458

LOW
Published 2023-09-21T16:34:11.747Z
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CVSS Score

V3.1
3.7
/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.458
Higher than 45.8% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

Description

Zope is an open-source web application server. Prior to versions 4.8.10 and 5.8.5, there is a stored cross site scripting vulnerability for SVG images. Note that an image tag with an SVG image as source is never vulnerable, even when the SVG image contains malicious code. To exploit the vulnerability, an attacker would first need to upload an image, and then trick a user into following a specially crafted link. Patches are available in Zope 4.8.10 and 5.8.5. As a workaround, make sure the "Add Documents, Images, and Files" permission is only assigned to trusted roles. By default, only the Manager has this permission.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

zopefoundation

Zope

Affected Versions:

< 4.8.10 >= 5.0.0, < 5.8.5

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed LOW

Zope vulnerable to Stored Cross Site Scripting with SVG images

GHSA-wm8q-9975-xh5v

Advisory Details

### Impact There is a stored cross site scripting vulnerability for SVG images. Note that an image tag with an SVG image as source is never vulnerable, even when the SVG image contains malicious code. To exploit the vulnerability, an attacker would first need to upload an image, and then trick a user into following a specially crafted link. All versions of Zope are impacted on sites that allow untrusted users to upload images. ### Patches Patches will be released in Zope 4.8.10 and 5.8.5. ### Workarounds Make sure the "Add Documents, Images, and Files" permission is only assigned to trusted roles. By default only the Manager has this permission.

Affected Packages

PyPI Zope
ECOSYSTEM: ≥0 <4.8.10
PyPI Zope
ECOSYSTEM: ≥5.8.0 <5.8.5

CVSS Scoring

CVSS Score

2.5

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

References

WEB https://github.com/zopefoundation/Zope/security/advisories/GHSA-wm8q-9975-xh5v
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-42458
WEB https://github.com/zopefoundation/Zope/commit/26a55dbc301db417f47cafda6fe0f983b5690088
WEB https://github.com/zopefoundation/Zope/commit/603b0a12881c90a072a7a65e32d47ed898ce37cb
PACKAGE https://github.com/zopefoundation/Zope
WEB http://www.openwall.com/lists/oss-security/2023/09/22/2

Advisory provided by GitHub Security Advisory Database. Published: September 21, 2023, Modified: September 21, 2023

References

https://github.com/zopefoundation/Zope/security/advisories/GHSA-wm8q-9975-xh5v
https://github.com/zopefoundation/Zope/commit/26a55dbc301db417f47cafda6fe0f983b5690088
https://github.com/zopefoundation/Zope/commit/603b0a12881c90a072a7a65e32d47ed898ce37cb
http://www.openwall.com/lists/oss-security/2023/09/22/2
Published: 2023-09-21T16:34:11.747Z
Last Modified: 2025-02-13T17:09:22.913Z
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