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THREATINT
PUBLISHED

CVE-2025-25063



Description

An XSS issue was discovered in Backdrop CMS 1.28.x before 1.28.5 and 1.29.x before 1.29.3. It does not sufficiently validate uploaded SVG images to ensure they do not contain potentially dangerous SVG tags. SVG images can contain clickable links and executable scripting, and using a crafted SVG, it is possible to execute scripting in the browser when an SVG image is viewed. This issue is mitigated by the attacker needing to be able to upload SVG images, and that Backdrop embeds all uploaded SVG images within <img> tags, which prevents scripting from executing. The SVG must be viewed directly by its URL in order to run any embedded scripting.

Reserved 2025-02-03 | Published 2025-02-03 | Updated 2025-02-03 | Assigner mitre


MEDIUM: 4.4CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unknown

1.28.0 before 1.28.5
affected

1.29.0 before 1.29.3
affected

References

backdropcms.org/security/backdrop-sa-core-2025-002

cve.org (CVE-2025-25063)

nvd.nist.gov (CVE-2025-25063)

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