CVE Details
CVE-2026-48939
iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability
Published: 2026-07-10
CVSS: 10 CRITICAL
Product: iCagenda iCagenda
Due Date: 2026-07-13
iCagenda contains an unrestricted upload of file with dangerous type vulnerability that allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.
GitHub PoC
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FIRST EPSS
EPSS estimates the probability of exploitation in the next 30 days. Higher values indicate higher likelihood of real-world exploitation.
Timeline
CVE Stalker
KEV
MITRE
GitHub
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MITRE
CVSS
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References
Show Raw Data
| Key | Remaining Key | Value |
|---|---|---|
| dataType | CVE_RECORD | |
| dataVersion | 5.2 | |
| cveMetadata > | cveId | CVE-2026-48939 |
| cveMetadata > | assignerOrgId | 6ff30186-7fb7-4ad9-be33-533e7b05e586 |
| cveMetadata > | state | PUBLISHED |
| cveMetadata > | assignerShortName | Joomla |
| cveMetadata > | dateReserved | 2026-05-26T16:47:13.549Z |
| cveMetadata > | datePublished | 2026-06-20T11:56:50.752Z |
| cveMetadata > | dateUpdated | 2026-07-05T14:29:56.926Z |
| containers > | cna > affected > 0 > defaultStatus | unaffected |
| containers > | cna > affected > 0 > product | iCagenda extension for Joomla |
| containers > | cna > affected > 0 > vendor | icagenda.com |
| containers > | cna > affected > 0 > versions > 0 > status | affected |
| containers > | cna > affected > 0 > versions > 0 > version | 3.2.1-4.0.7 |
| containers > | cna > credits > 0 > lang | en |
| containers > | cna > credits > 0 > type | finder |
| containers > | cna > credits > 0 > value | Phil Taylor |
| containers > | cna > descriptions > 0 > lang | en |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > base64 | False |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > type | text/html |
| containers > | cna > descriptions > 0 > supportingMedia > 0 > value | A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution. |
| containers > | cna > descriptions > 0 > value | A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution. |
| containers > | cna > impacts > 0 > capecId | CAPEC-242 |
| containers > | cna > impacts > 0 > descriptions > 0 > lang | en |
| containers > | cna > impacts > 0 > descriptions > 0 > value | CAPEC-242: Code Injection |
| containers > | cna > metrics > 0 > cvssV4_0 > Automatable | YES |
| containers > | cna > metrics > 0 > cvssV4_0 > Recovery | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > Safety | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > attackComplexity | LOW |
| containers > | cna > metrics > 0 > cvssV4_0 > attackRequirements | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > attackVector | NETWORK |
| containers > | cna > metrics > 0 > cvssV4_0 > baseScore | 10 |
| containers > | cna > metrics > 0 > cvssV4_0 > baseSeverity | CRITICAL |
| containers > | cna > metrics > 0 > cvssV4_0 > exploitMaturity | ATTACKED |
| containers > | cna > metrics > 0 > cvssV4_0 > privilegesRequired | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > providerUrgency | RED |
| containers > | cna > metrics > 0 > cvssV4_0 > subAvailabilityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > subConfidentialityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > subIntegrityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > userInteraction | NONE |
| containers > | cna > metrics > 0 > cvssV4_0 > valueDensity | NOT_DEFINED |
| containers > | cna > metrics > 0 > cvssV4_0 > vectorString | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red |
| containers > | cna > metrics > 0 > cvssV4_0 > version | 4.0 |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnAvailabilityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnConfidentialityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnIntegrityImpact | HIGH |
| containers > | cna > metrics > 0 > cvssV4_0 > vulnerabilityResponseEffort | NOT_DEFINED |
| containers > | cna > metrics > 0 > format | CVSS |
| containers > | cna > metrics > 0 > scenarios > 0 > lang | en |
| containers > | cna > metrics > 0 > scenarios > 0 > value | GENERAL |
| containers > | cna > problemTypes > 0 > descriptions > 0 > cweId | CWE-434 |
| containers > | cna > problemTypes > 0 > descriptions > 0 > description | CWE-434: Unrestricted Upload of File with Dangerous Type |
| containers > | cna > problemTypes > 0 > descriptions > 0 > lang | en |
| containers > | cna > problemTypes > 0 > descriptions > 0 > type | CWE |
| containers > | cna > providerMetadata > orgId | 6ff30186-7fb7-4ad9-be33-533e7b05e586 |
| containers > | cna > providerMetadata > shortName | Joomla |
| containers > | cna > providerMetadata > dateUpdated | 2026-07-05T14:29:56.926Z |
| containers > | cna > references > 0 > tags > 0 | product |
| containers > | cna > references > 0 > url | https://www.icagenda.com/ |
| containers > | cna > source > discovery | UNKNOWN |
| containers > | cna > title | Joomla Extension - icagenda.com - Remote Code Execution in iCaganda extension for Joomla < 4.0.8/3.9.15 |
| containers > | cna > x_generator > engine | Vulnogram 0.1.0-dev |
| containers > | adp > 0 > references > 0 > url | https://mysites.guru/blog/icagenda-zero-day-file-upload-rce/ |
| containers > | adp > 0 > references > 0 > tags > 0 | third-party-advisory |
| containers > | adp > 0 > references > 1 > url | https://www.icagenda.com/docs/changelog/icagenda-3-9-15 |
| containers > | adp > 0 > references > 1 > tags > 0 | patch |
| containers > | adp > 0 > references > 2 > url | https://www.icagenda.com/docs/changelog/icagenda-4-0-8 |
| containers > | adp > 0 > references > 2 > tags > 0 | patch |
| containers > | adp > 0 > references > 3 > url | https://github.com/Polosss/By-Poloss..-..CVE-2026-48939 |
| containers > | adp > 0 > references > 3 > tags > 0 | exploit |
| containers > | adp > 0 > metrics > 0 > other > type | ssvc |
| containers > | adp > 0 > metrics > 0 > other > content > timestamp | 2026-06-24T00:00:00+00:00 |
| containers > | adp > 0 > metrics > 0 > other > content > options > 0 > Exploitation | poc |
| containers > | adp > 0 > metrics > 0 > other > content > options > 1 > Automatable | yes |
| containers > | adp > 0 > metrics > 0 > other > content > options > 2 > Technical Impact | total |
| containers > | adp > 0 > metrics > 0 > other > content > role | CISA Coordinator |
| containers > | adp > 0 > metrics > 0 > other > content > version | 2.0.3 |
| containers > | adp > 0 > metrics > 0 > other > content > id | CVE-2026-48939 |
| containers > | adp > 0 > title | CISA ADP Vulnrichment |
| containers > | adp > 0 > providerMetadata > orgId | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| containers > | adp > 0 > providerMetadata > shortName | CISA-ADP |
| containers > | adp > 0 > providerMetadata > dateUpdated | 2026-07-03T03:55:16.003Z |