CVE-2023-40626

highpriority · track · 40EPSS 0.008 · 57 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.81% (57th) EPSS

CVSS 7.5 · high

Is it mine?

11 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

The language file parsing process could be manipulated to expose environment variables. Environment variables might contain sensible information.

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

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

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Psecondary · 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-200USCWE-266USCWE-284US

exploits (1)

Public proof-of-concept and weaponised exploit code.

TLWebdesign/Joomla-3.10.12-languagehelper-hotfixPlugin to fix security vulnerability CVE-2023-40626 in Joomla 3.10.12PoC · poc_in_github

affected products (11)

Products and version ranges known to be affected.

Joomla! Project Joomla! CMS≤ 1.6.0-4.4.0enisa_euvdEU
Joomla! Project Joomla! CMS≤ 5.0.0enisa_euvdEU
GNU General Public License Joomla!≤ 5.0.0fstec_bduRU
GNU General Public License Joomla!1.6.0 → 3.10.14fstec_bduRU
GNU General Public License Joomla!4.0.0 → 4.4.1fstec_bduRU
joomla joomla!1.6.0 → 3.10.14nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!4.0.0 → 4.4.1nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 5.0.0nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
Bitnami joomla1.6.0 → 3.10.14osvUSpkg:bitnami/joomla
Bitnami joomla4.0.0 → 4.4.1osvUSpkg:bitnami/joomla
Bitnami joomla= 5.0.0osvUSpkg:bitnami/joomla

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-3021Joomla: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2023-11-28csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Joomla ausnutzen, um Informationen offenzulegen.
BIT-joomla-2023-40626[20231101] - Core - Exposure of environment variables2025-04-03vendor · osvUS
The language file parsing process could be manipulated to expose environment variables. Environment variables might contain sensible information.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv cert_bund NVD CVE.org MITRE

published 2023-11-29modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan