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CVE-2021-24633

MEDIUM 4.3 CVSS 3.1
Published
September 27, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

The Countdown Block WordPress plugin before 1.1.2 does not have authorisation in the eb_write_block_css AJAX action, which allows any authenticated user, such as Subscriber, to modify post contents displayed to users.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Countdown Block — From 1.1.2 (including) to 1.1.2 (excluding)
  • wpdeveloper countdown_block — Before 1.1.2

References

  • wpscan.com https://wpscan.com/vulnerability/431901eb-0f95-4033-b943-324e6d3844a5 Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record