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Public proof of conceptFix available

CVE-2021-24353

A public proof of concept exists; no exploitation attested.

  • Published2021-06-14
  • Fixed in2.0.4
  • WeaknessCWE-862

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The import_data function of the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4 had no capability or nonce checks making it possible for unauthenticated users to import a set of site redirects.

Timeline

dates in UTC
  1. 2026-11-1305:01Nuclei detection templateProjectDiscovery

Versions per branch

NVD
Wpdeveloper simple 301 redirects
BranchAffectedFixed in
2.0≥ 2.0.0, < 2.0.42.0.4

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Wpdeveloper simple 301 redirects to 2.0.4

Detection

read 2026-11-14 10:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H
Published
2021-06-14
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-jpx5-rg85-r3xv

Frequently asked questions

What is CVE-2021-24353?

The import_data function of the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4 had no capability or nonce checks making it possible for unauthenticated users to import a set of site redirects.

Is CVE-2021-24353 actively exploited?

Active exploitation of CVE-2021-24353 has not been confirmed. Its EPSS score was 1.5% on 2026-11-13, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24353?

CVE-2021-24353 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H.

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Sources for this record