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TI-2021-06646 Aliases CVE-2021-24354GHSA-w57v-wqq6-mfw3

Simple 301 Redirects by BetterLinks - 2.0.0-2.0.3 - Arbitrary Plugin Installation

Priority MEDIUM 41CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

EPSS 0.0148 74th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Simple 301 Redirects by BetterLinks (Unknown): 2.0.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownSimple 301 Redirects by BetterLinks2.0.0 and later; 2.0.4 to before 2.0.42.0.4Patch availableCNA
  • Simple 301 Redirects by BetterLinks VendorUnknown Affected 2.0.0 and later; 2.0.4 to before 2.0.4 Fixed in 2.0.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpdeveloper:simple_301_redirects:*:*:*:*:*:wordpress:*:*2.0.0 to before 2.0.4Vulnerablewpdevteam
  • cpe:2.3:a:wpdeveloper:simple_301_redirects:*:*:*:*:*:wordpress:*:* Versions 2.0.0 to before 2.0.4 Vulnerable ·wpdevteam

Remediation

  • Fix · CNA Simple 301 Redirects by BetterLinks (Unknown) Fixed in 2.0.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Simple 301 Redirects by BetterLinks 2.0.0*, 2.0.4

    5 records Highest priority Priority MEDIUM 4 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2021-06648 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Arbitrary Plugin ActivationPriority MEDIUM 43
    • TI-2021-06645 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect ImportPriority MEDIUM 40
    • TI-2021-06644 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect ExportPriority MEDIUM 40

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24354
  2. 2026-10-03 Alias added: GHSA-w57v-wqq6-mfw3

References

  • TI-2021-06648 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Arbitrary Plugin Activation CVSS 3.1HIGH 8.8
  • TI-2021-06645 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect Import CVSS 3.1HIGH 8.8
  • TI-2021-06644 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect Export CVSS 3.1HIGH 8.8
  • TI-2021-06647 Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Update and Retrieve Wildcard Value CVSS 3.1MEDIUM 4.3

Sources