CVE-2021-28418
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via settings.php and the "category" parameter.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.9%. Treat it as high on anything reachable from the internet.
Description
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote attackers to inject JavaScript via settings.php and the "category" parameter.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.87% probability · 79th percentile
- Public exploits
- 1 in Exploit-DB · first 2 June 2021
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- seopanel/seo panel
- Source
- cve@mitre.org
EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/162914/Seo-Panel-4.8.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/seopanel/Seo-Panel/issues/207Exploit, Issue Tracking, Third Party Advisory
- http://packetstormsecurity.com/files/162914/Seo-Panel-4.8.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/seopanel/Seo-Panel/issues/207Exploit, Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.