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CVE-2023-23755

[20230502] - Core - Bruteforce prevention within the mfa screen

HIGH
7.5
CVSS Score
Published: May 30, 2023 at 04:12 PM UTC
Updated: June 17, 2026 at 05:37 AM UTC
1 product affected across 1 vendorJoomla!

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

An issue was discovered in Joomla! 4.2.0 through 4.3.1. The lack of rate limiting allowed brute force attacks against MFA methods.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Joomla!· Joomladrupal
95%
4.2.0 ≤ v < 4.3.24.2.0-4.3.1
Affected range stops below 4.3.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://developer.joomla.org/security-centre/900-20230502-core-bruteforce-prevention-within-the-mfa-screen.html

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-307

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