CVE-2021-24325
404 SEO Redirection <= 1.3 - Reflected Cross-Site Scripting (XSS)
The tab parameter of the settings page of the 404 SEO Redirection WordPress plugin through 1.3 is vulnerable to a reflected Cross-Site Scripting (XSS) issue as user input is not properly sanitised or escaped before being output in an attribute.
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
6.1
The tab parameter of the settings page of the 404 SEO Redirection WordPress plugin through 1.3 is vulnerable to a reflected Cross-Site Scripting (XSS) issue as user input is not properly sanitised or escaped before being output in an attribute.
- Record
CVE-2021-24325- 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
404 SEO Redirection <= 1.3 - Reflected Cross-Site Scripting (XSS)
The tab parameter of the settings page of the 404 SEO Redirection WordPress plugin through 1.3 is vulnerable to a reflected Cross-Site Scripting (XSS) issue as user input is not properly sanitised or escaped before being output in an attribute.
- Record
CVE-2021-24325- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11238 No score
The tab parameter of the settings page of the 404 SEO Redirection WordPress plugin through 1.3 is vulnerable to a reflected Cross-Site Scripting (XSS) issue as user input is not properly sanitised or escaped before being output in an attribute.
- Record
EUVD-2021-11238- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9v3q-48wp-mx8v No score
The tab parameter of the settings page of the 404 SEO Redirection WordPress plugin through 1.3 is...
The tab parameter of the settings page of the 404 SEO Redirection WordPress plugin through 1.3 is vulnerable to a reflected Cross-Site Scripting (XSS) issue as user input is not properly sanitised or escaped before being output in an attribute.
- Record
GHSA-9v3q-48wp-mx8v- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24325 is a medium vulnerability (CVSS 6.1) in Unknown 404 Seo Redirection, published May 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.