November 13, 2026

CVE Watchtower

CVE-2026-129163dromara free-fs Cross-site Scripting (XSS)

NVD

Vulnerability Summary

Dromara free-fs 2.0.1 through 2.3.1 contains a stored cross-site scripting vulnerability that allows registered users to run script by uploading HTML files served inline as text/html. Attackers can send a victim the /api/file/stream/preview/{fileId} link to execute script in the application origin, calling /apis endpoints to expose the victim's files and account.
Severity Level
MEDIUM(5.1)
Published Date
Nov 13, 2026
Last Modified
Nov 13, 2026
Exploitation Status
No confirmed exploitation yet
Root Weakness (CWE)
CWE-79: Cross-site Scripting (XSS) ↗
The software does not neutralize user-controllable input before it is placed in output that is used as a web page.
CVSS v4.0 Base Metrics — Score 5.1 (MEDIUM)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionPassive
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)Low
Availability (Vulnerable System)None
Confidentiality (Subsequent System)Low
Integrity (Subsequent System)Low
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 5.4)
CVSS v3.1 Base Metrics — Score 5.4 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • dromara free-fs >= 2.0.1 and <= 2.3.1
Patched Versions
  • dromara free-fs 2.3.1

What to do

Fix it during your normal patch cycle. No exploitation is confirmed yet.

  1. Check whether you run dromara free-fs and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 13, 2026Published
  • Nov 13, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

Get notified about new dromara free-fs CVEsYou are reading CVE-2026-129163. Get an email when KEV listings, exploits or new CVEs match your stack.
Set up CVE alerts

More dromara free-fs CVEs

External References

Data last checked: Nov 13, 2026 19:14 UTC