CVSS 4.0
9.4 criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HCVE-2026-105603
Critical (9.4). EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
Joomla Extension - dj-extensions.com - Authenticated arbitrary file upload in DJ-Classifieds < 3.11.3 - The Joomla extension DJ-Classifieds is vulnerable to an unprivileged file upload, leading to full RCE.
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 23rd percentile. Scored 2026-11-03. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-02. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-434 Unrestricted Upload of File with Dangerous Type
- Published
- Modified
- Record from
- the NVD, synced
Ask an AI about this CVE
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Explain CVE-2026-105603 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-105603?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-105603?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-105603 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| dj-extensions.com DJ-Classifieds extension for Joomla | 1.0-3.11.2 |
Attack patterns (CAPEC)
- CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs Likelihood: High · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.