8.8

CVE-2021-34636: wordpress countdown-wpdevart-extended Cross-Site Request Forgery (CSRF)

CVSS: 8.8v3.1HighModified
Published 28-09-2021Last modified 31-03-2025
Open JSON

Vulnerability summary

CVE-2021-34636 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in wordpress countdown-wpdevart-extended. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49% of scored vulnerabilities. Fixed in 1.5.8.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.63%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-09-2021
    PublishedVulnerability first disclosed.
  2. 31-03-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.63%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

0.00 pp

From 0.63% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.63%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Wpdevart2 products
Wordpress1 product
  • countdown-wpdevart-extended≤ 1.5.7 (fixed in 1.5.8)

2 vendors · 3 products

References

3 links