CVE-2021-24633: unknown countdown block Missing Authorization
CVSS: 4.3v3.1MediumModified
Published 27-09-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24633 is a medium (CVSS 4.3) Missing Authorization vulnerability in unknown countdown block. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 51% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 1.1.2.
CVSS score
4.3/10
010
Medium · v3.1 (NVD)EPSS score
0.67%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 27-09-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NSourcesAll 2 agree
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.67%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
0.00 pp
From 0.67% on 18-09-2026
18-09-202618-10-2026
EPSS score0.67%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- countdown block≥ 1.1.2, < 1.1.2
Wordpress1 product
- wp-countdown-block< 1.1.2
Wpdeveloper1 product
- countdown_block< 1.1.2
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/431901eb-0f95-4033-b943-324e6d3844a5X Refsource MISCExploitThird Party Advisory