CVE-2021-28420
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject...
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via alerts.php and the "from_time" parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via alerts.php and the "from_time" parameter.
- Record
CVE-2021-28420- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/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 List No score
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via alerts.php and the "from_time" parameter.
- Record
CVE-2021-28420- Updated
- 2026-11-02
EUVDEUVD-2021-15099 No score
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via alerts.php and the "from_time" parameter.
- Record
EUVD-2021-15099- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-53qw-j8c7-3g2x No score
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject...
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via alerts.php and the "from_time" parameter.
- Record
GHSA-53qw-j8c7-3g2x- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via alerts.php and the "from_time" parameter.
- Record
CVE-2021-28420- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-seopanel-2021-28420 No score
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via alerts.php and the "from_time" parameter.
- Record
BIT-seopanel-2021-28420- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
seopanelBitnami |
4.8.0 to 4.8.0 | None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Seo Panel 4.8.0 - 'from_time' Reflected XSS | 2021-06-03 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28420 is a medium vulnerability (CVSS 4.8) in Seopanel Seo Panel, published March 18, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.93%, the 80th percentile. No source names a fixed version.