CVE-2021-23260
Stored XSS Vulnerability in File Name of the File Upload function
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Stored XSS Vulnerability in File Name of the File Upload function
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.
- Record
CVE-2021-23260- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-10359
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.
- Record
EUVD-2021-10359- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h94f-223c-f5mw No score
Authenticated users with Site roles may inject XSS scripts via file names that will execute in...
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.
- Record
GHSA-h94f-223c-f5mw- Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-23260- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:L - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-23260- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-23260 is a medium vulnerability (CVSS 6.5) in Crafter Software Cms, published December 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.