Limit Login Attempts Reloaded < 3.3.5 - Username Denylist Bypass via Case Variant and Account Email
Priority LOW 17CWE-184Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
The Limit Login Attempts Reloaded WordPress plugin before 3.3.5 does not compare logins against its username denylist case-insensitively and does not account for the account's email address, allowing an account an administrator intended to block from logging in to authenticate anyway.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00256 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Limit Login Attempts Security (Unknown): 3.3.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Limit Login Attempts Security | before 3.3.5 | 3.3.5 | Patch available | CNA |
- Limit Login Attempts Security VendorUnknown Affected before 3.3.5 Fixed in 3.3.5 Patch available CNA
Remediation
- Fix · CNA Limit Login Attempts Security (Unknown) Fixed in 3.3.5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18356
- 2026-10-03 Alias added: GHSA-pr5g-gw8g-vfpm
References
Sources
- CVE-2026-18356 · CVE Program
- CVE-2026-18356 · NVD
- FIRST EPSS
- GHSA-pr5g-gw8g-vfpm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences