CVE-2026-84221: unknown kirki SQL Injection
CVSS: 6.8v3.1MediumDeferred
Published 05-09-2026Last modified 06-09-2026
Vulnerability summary
CVE-2026-84221 is a medium (CVSS 6.8) SQL Injection vulnerability in unknown kirki. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.5% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 6.3.0.
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.40%
0%100%
Low · +0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 05-09-2026PublishedVulnerability first disclosed.
- 06-09-2026Last modifiedVulnerability information updated.
Description
The Kirki WordPress plugin before 6.3.0 does not escape a user-supplied identifier before using it in a SQL query, allowing users with editor-level access and above to append arbitrary SQL and read the contents of the database, including user credentials.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:NSources3 sources · 4.9–6.8
- NVDNIST6.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
- wordfenceSource4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.16 pp
From 0.23% on 19-09-2026
19-09-202619-10-2026
EPSS score0.40%
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
- kirki≥ 6.0.0, < 6.3.0
Wordpress1 product
- kirki≥ 6.0.0, ≤ 6.2.5 (fixed in 6.3.0)
2 vendors · 2 products