CVE-2020-21146
Feehi CMS vulnerable to Cross-site Scripting in Username Field
Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.
- Record
CVE-2020-21146- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.
- Record
CVE-2020-21146- Updated
- 2026-11-02
EUVDEUVD-2022-5305 No score
Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.
- Record
EUVD-2022-5305- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v762-47vh-j7q3
Feehi CMS vulnerable to Cross-site Scripting in Username Field
Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.
- Record
GHSA-v762-47vh-j7q3- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.
- Record
CVE-2020-21146- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-v762-47vh-j7q3
Feehi CMS vulnerable to Cross-site Scripting in Username Field
Feehi CMS 2.0.8 is affected by a cross-site scripting (XSS) vulnerability. When the user name is inserted as JavaScript code, browsing the post will trigger the XSS.
- Record
GHSA-v762-47vh-j7q3- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
feehi/cmsPackagist |
through 2.0.8 | 2.0.8.1 |
feehi/cmsPackagist |
before 2.0.8.1, plus listed versions 0.0.10.0.20.0.30.0.40.0.5 Show 28 moreShow less0.0.60.0.70.0.80.0.90.1.00.1.10.1.20.1.31.0.0-alpha31.0.0alpha11.0.0alpha21.0.0beta11.0.0beta21.0.0beta31.0.0rc11.0.0rc22.0.02.0.12.0.22.0.32.0.42.0.4.12.0.52.0.5.12.0.62.0.72.0.7.12.0.8 |
2.0.8.1 |
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-2020-21146 is a medium vulnerability (CVSS 6.1) in Feehi Cms, published January 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. Fixed in feehi/cms 2.0.8.1.