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CVE-2021-34636

HIGH 8.8 CVSS 3.1
Published
September 28, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

The Countdown and CountUp, WooCommerce Sales Timers WordPress plugin is vulnerable to Cross-Site Request Forgery via the save_theme function found in the ~/includes/admin/coundown_theme_page.php file due to a missing nonce check which allows attackers to inject arbitrary web scripts, in versions up to and including 1.5.7.

Affected WordPress components

  • countdown-wpdevart-extended Plugin · countdown-wpdevart-extended
    Confirmed match Homeless
    From 1.5.7 (including) to 1.5.7 (including)
    View on WordPress.org

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

  • WpDevArt Countdown and CountUp, WooCommerce Sales Timers — From 1.5.7 (including) to 1.5.7 (including)
  • wpdevart countdown_and_countup\,_woocommerce_sales_timer — Up to and including 1.5.7

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2605523/countdown-wpdevart-extended/trunk/includes/admin/coundown_theme_page.php Patch, Third Party Advisory
  • www.wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34636 Third Party Advisory
  • nvd.nist.gov Official NVD record