CVE-2026-77770: unknown miniorange 2fa Missing Authorization
Vulnerability summary
CVE-2026-77770 is a critical (CVSS 10.0) Missing Authorization vulnerability in unknown miniorange 2fa. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.9% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 19.3.
Timeline
- 10-09-2026PublishedVulnerability first disclosed.
- 10-09-2026Last modifiedVulnerability information updated.
Description
The miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 does not require a validated transaction before deleting site options whose names come from unauthenticated request input, allowing any visitor to delete arbitrary options, which can lock every administrator out of the dashboard or deactivate every miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 on the site.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST10.0CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
- wordfenceSource7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
+0.19 pp
From 0.24% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
- CWE-306Missing Authentication for Critical FunctionThe product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Affected systems
Unknown1 product
- miniorange 2fa≥ 5.3.24, < 6.3.1 | ≥ 18.0, < 19.3
Wordpress1 product
- miniorange-2-factor-authentication≥ 18.0, ≤ 19.2 (fixed in 19.3) | ≥ 5.3.24, ≤ 6.3.0 (fixed in 19.3)
2 vendors · 2 products