Every CVE Search/ Get API key

CVE-2021-24355

Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Update and Retrieve Wildcard Value

4.3 Medium

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and simple301redirects/admin/wildcard, made it possible for authenticated users to retrieve and update the wildcard value for redirects.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.72%Up 0.1 points since Jun 15, 2021
90%50%10%1%

What each source reports

NVD Score used 4.3

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and simple301redirects/admin/wildcard, made it possible for authenticated users to retrieve and update the wildcard value for redirects.

Record
CVE-2021-24355
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:N/I:P/A:N
Weakness
CWE-862
Updated
2026-11-02
CVE List No score

Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Update and Retrieve Wildcard Value

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and simple301redirects/admin/wildcard, made it possible for authenticated users to retrieve and update the wildcard value for redirects.

Record
CVE-2021-24355
Weakness
CWE-862
Updated
2026-11-02
EUVDEUVD-2021-11268 No score

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and simple301redirects/admin/wildcard, made it possible for authenticated users to retrieve and update the wildcard value for redirects.

Record
EUVD-2021-11268
Updated
2026-11-03
GitHub AdvisoriesGHSA-x56p-hv7c-cxvx 4.3

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability...

In the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, the lack of capability checks and insufficient nonce check on the AJAX actions, simple301redirects/admin/get_wildcard and simple301redirects/admin/wildcard, made it possible for authenticated users to retrieve and update the wildcard value for redirects.

Record
GHSA-x56p-hv7c-cxvx
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness
CWE-284, CWE-862
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-24355 is a medium vulnerability (CVSS 4.3) in Unknown Simple 301 Redirects By Betterlinks, published June 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. No source names a fixed version.

References

MoveEnter Open