HIGH

CVE-2021-24354

CVSS v3

8.8

HIGH

EPSS Score

1.5 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-24354 yet.

Full record on NVD

Description

A lack of capability checks and insufficient nonce check on the AJAX action in the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, made it possible for authenticated users to install arbitrary plugins on vulnerable sites.

Technical details

Published: 2021-06-14

Frequently asked questions

What is CVE-2021-24354?

Is CVE-2021-24354 actively exploited?

Active exploitation of CVE-2021-24354 has not been confirmed. Its EPSS score was 1.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24354?

CVE-2021-24354 has a CVSS v3 base score of 8.8 (HIGH severity).

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