Bludit - Stored Cross-Site Scripting via Malicious SVG Logo Upload
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
A stored cross-site scripting (XSS) vulnerability in Bludit 4.0.0-beta allows a low-privileged authenticated user (Author role) to inject arbitrary JavaScript by uploading a crafted SVG file as the site logo. A stored script tag in the SVG executes in the browser of any user who loads the logo.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-72576
- 2026-10-03 Alias added: GHSA-jvgc-4pc6-8x5f
References
Other 1
More Bludit vulnerabilities
- TI-2019-12105 Bludit 3.9.2 allows remote code execution via bl-kernel/ajax/upload-images.php because… CVSS 3.1HIGH 8.8
- TI-2024-16173 Bludit - Remote Code Execution (RCE) through Image API CVSS 4.0HIGH 8.9
- TI-2024-16172 Bludit - Remote Code Execution (RCE) through File API CVSS 4.0HIGH 8.9
- TI-2026-34301 Bludit CMS has improper authorization and mediation failure leading to persistent ghost sessions CVSS 3.1HIGH 8.8
- TI-2023-15122 An issue in Bludit 4.0.0-rc-2 allows authenticated attackers to change the Administrator… CVSS 3.1HIGH 8.8
- TI-2020-13782 Bludit 3.9.2 is vulnerable to Remote Code Execution (RCE) via /admin/ajax/upload-images. CVSS 3.1HIGH 8.8
Sources
- CVE-2026-72576 · CVE Program
- CVE-2026-72576 · NVD
- FIRST EPSS
- GHSA-jvgc-4pc6-8x5f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences