Vulnerability CVE-2023-41048
Published: 2023-09-21

Description:
plone.namedfile allows users to handle `File` and `Image` fields targeting, but not depending on, Plone Dexterity content. Prior to versions 5.6.1, 6.0.3, 6.1.3, and 6.2.1, there is a stored cross site scripting vulnerability for SVG images. A security hotfix from 2021 already partially fixed this by making sure SVG images are always downloaded instead of shown inline. But the same problem still exists for scales of SVG images. Note that an image tag with an SVG image as source is not 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 versions 5.6.1 (for Plone 5.2), 6.0.3 (for Plone 6.0.0-6.0.4), 6.1.3 (for Plone 6.0.5-6.0.6), and 6.2.1 (for Plone 6.0.7). There are no known workarounds.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

 References:
https://github.com/plone/plone.namedfile/commit/ff5269fb4c79f4eb91dd934561b8824a49a03b60
https://github.com/plone/plone.namedfile/commit/217d6ce847b7171bf1b73fcb6c08010eb449216a
https://github.com/plone/plone.namedfile/commit/f0f911f2a72b2e5c923dc2ab9179319cc47788f9
https://github.com/plone/Products.PloneHotfix20210518
https://github.com/plone/plone.namedfile/security/advisories/GHSA-jj7c-jrv4-c65x
https://github.com/plone/plone.namedfile/commit/188f66a4577021cf8f2bf7c0f5150f9b9573f167
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