CVE-2026-75949 (GCVE-0-2026-75949)
Vulnerability from cvelistv5 – Published: 2026-08-19 14:40 – Updated: 2026-08-21 19:16Title
Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3
Summary
Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3 - Upload/remove accepted a client-controlled root (_path_type could point at the component site/admin trees), did not enforce path containment, and used a weak extension check. CSRF token was also missing on upload/remove.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 16:04 UTC
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.cmsjunkie.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| cmsjunkie.com | J-BusinessDirectory extension for Joomla |
Affected:
1.0.0-6.2.2
|
guessed |
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 550d42d5-c0a7-4671-80e0-1ee97a3ea93c
Exploited: Yes
Timestamps
First Seen: 2026-09-22
Asserted: 2026-09-22
Scope
Notes: Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3 | Affected: Cmsjunkie.com / J-BusinessDirectory extension for Joomla | CVSS: 10.0 (CRITICAL) | EPSS: 0.00312 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | Joomla Extension - cmsjunkie.com - Arbitrary file upload / deletion (path traversal) in J-BusinessDirectory < 6.2.3 |
| Cve Id | CVE-2026-75949 |
| Vendor | Cmsjunkie.com |
| Ghsa Id | None |
| Product | J-BusinessDirectory extension for Joomla |
| Added Date | 2026-09-22T13:50:27.661Z |
| Cvss Score | 10.0 |
| Epss Score | 0.00312 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.24255 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2026-75949 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | True |
References
Created: 2026-09-23 14:00 UTC
| Updated: 2026-09-23 14:00 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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