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Countdown Block vulnerabilities
Countdown Block has 1 known vulnerability in this database. The most recent published record is dated 27 Sep 2021.
- Known vulnerabilities
- 1
- Active installs
- 4,000+
- Latest version
- 1.5.0
- Last updated
- 11 Aug 2026
- Most recent
- 27 Sep 2021
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Broken access control CVE-2021-24633 | Medium 4.3 | Before 1.1.2 | Fixed in 1.1.2 | 27 Sep 2021 |
Read the published descriptions
- CVE-2021-24633, 27 Sep 2021
- 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. CVE record
What to do if you run Countdown Block
If you run Countdown Block, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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