CVE-2023-23755

highpriority · track · 30EPSS 0.006 · 46 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.56% (46th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondaryexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-307USprimary

affected products (3)

Products and version ranges known to be affected.

Joomla! Project Joomla! CMS≤ 4.2.0-4.3.1enisa_euvdEU
joomla joomla!4.2.0 → 4.3.2nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
Bitnami joomla4.2.0 → 4.3.2osvUSpkg:bitnami/joomla

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1327Joomla: Mehrere SchwachstellenDeutsch2023-05-30csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Joomla ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen oder Sicherheitsvorkehrungen zu umgehen.
BIT-joomla-2023-23755[20230502] - Core - Bruteforce prevention within the mfa screen2025-04-03vendor · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv cert_bund NVD CVE.org MITRE

published 2023-05-30modified 2026-06-17

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+820 more

references (4)

External citations — patches, advisories, analysis.

scry

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