CVE-2021-39496
Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code...
Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into filename param to trigger Reflected XSS.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into filename param to trigger Reflected XSS.
- Record
CVE-2021-39496- 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
CVE ListNo score
Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into filename param to trigger Reflected XSS.
- Record
CVE-2021-39496- Updated
- 2026-11-02
EUVDEUVD-2021-25853No score
Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into filename param to trigger Reflected XSS.
- Record
EUVD-2021-25853- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qgx9-8p23-fhf6No score
Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code...
Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into filename param to trigger Reflected XSS.
- Record
GHSA-qgx9-8p23-fhf6- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into filename param to trigger Reflected XSS.
- Record
CVE-2021-39496- 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 | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39496 is a medium vulnerability (CVSS 5.4) in Eyoucms, published September 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. No source names a fixed version.