CVE-2021-23260
Stored XSS Vulnerability in File Name of the File Upload function
MEDIUM
5.4
CVSS Score
Published: December 2, 2021 at 03:40 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorCraftercms
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%
Description
Authenticated users with Site roles may inject XSS scripts via file names that will execute in the browser for this and other users of the same site.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.1 ≤ v < 3.1.123.1
Affected range stops below 3.1.12, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120103CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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