CVE-2021-24325: The tab parameter of the settings page of the 404 SEO Redirection WordPress plugin through 1.3 is vulnerable t

Q: How do I fix CVE-2021-24325?

seo redirection plugin: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Q: Is CVE-2021-24325 being exploited?

CVE-2021-24325 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-24325 affect?

CVE-2021-24325 affects seo redirection plugin. Severity is medium (CVSS 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 attrib

Q: How urgent is CVE-2021-24325?

Priority 41/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2021-24325 is a medium-severity flaw (CVSS 6.1) affecting seo redirection plugin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-05-17
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: clogica

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-05-17 17:15 UTCPublished CVE record published
2026-06-17 03:39 UTCUpdated Record last modified

clogica seo redirection plugin UPGRADE

Affected: <= 1.3

Fixed in: newer than 1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy seo-redirection-plugin || rpm -q seo-redirection-plugin || seo-redirection-plugin --version

2. UPGRADE to newer than 1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade seo-redirection-plugin

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade seo-redirection-plugin

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-24325?

seo redirection plugin: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Is CVE-2021-24325 being exploited?

CVE-2021-24325 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-24325 affect?

CVE-2021-24325 affects seo redirection plugin. Severity is medium (CVSS 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 attrib

How urgent is CVE-2021-24325?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2021-24327 MEDIUM 4.8 UPGRADE The SEO Redirection Plugin – 301 Redirect Manager WordPress plugin before 6.4 did not sanitise the Redirect Fr

References

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