CVE-2021-36886: ciphercoin contact_form_7_database_addon Cross-Site Request Forgery (CSRF)
CVSS: 8.8v3.1HighModified
Published 22-12-2021Last modified 28-04-2026
Vulnerability summary
CVE-2021-36886 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in ciphercoin contact_form_7_database_addon. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.5% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.56%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-12-2021PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Cross-Site Request Forgery (CSRF) vulnerability discovered in Contact Form 7 Database Addon – CFDB7 WordPress plugin (versions <= 1.2.5.9).
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSources3 sources · 6.5–8.8
- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NDiffers
- wordfenceSource6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NDiffers
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.02 pp
From 0.54% on 20-09-2026
20-09-202620-10-2026
EPSS score0.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ciphercoin2 products
- contact_form_7_database_addon< 1.2.6.1
- contact form 7 database addon – cfdb7 (wordpress plugin)≥ <= 1.2.5.9, ≤ 1.2.5.9
Wordpress1 product
- contact-form-cfdb7≤ 1.2.5.9 (fixed in 1.2.6.1)
2 vendors · 3 products