Author-level stored XSS via SVG sanitization bypass
Published Jul 18, 2024 · Updated Apr 8, 2026
Stored XSS in Benbodhi SVG Support 2.5.7 and earlier allows remote authenticated users to inject scripts through SVG uploads. The upload handler incompletely sanitizes and escapes SVG content, while a content type other than image/svg+xml bypasses the enabled sanitizer. Exploitation requires author-level access, administrator-enabled SVG uploads, and a user who accesses a page containing the injected SVG.
Summary
What happened
Stored XSS in Benbodhi SVG Support 2.5.7 and earlier allows remote authenticated users to inject scripts through SVG uploads. The upload handler incompletely sanitizes and escapes SVG content, while a content type other than image/svg+xml bypasses the enabled sanitizer. Exploitation requires author-level access, administrator-enabled SVG uploads, and a user who accesses a page containing the injected SVG.
The record
- CVE
- CVE-2023-6708
- Published
- Jul 18, 2024
- Updated
- Apr 8, 2026
- Vendor
- Benbodhi
- Product
- SVG Support
- Classifications
- CWE-79, T1203
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 18, 2024CVE publishedPublication date reported by the CVE source.
- Apr 8, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=0 <=2.5.7
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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