Secuno
ENNL
Book demo

CVE-2026-48939

iCagenda Unrestricted Upload of File with Dangerous Type

9.8 CRITICALActively exploited (CISA KEV)Public exploitEPSS 20.1%
  1. Published20 Jun 2026
  2. Added to CISA KEV10 Jul 2026
  3. Remediation due13 Jul 2026
Actively exploited (CISA KEV)

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.

Added to KEV: 10 Jul 2026Federal remediation due: 13 Jul 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Joomlic Icagenda≥ 3.2.1 < 3.9.15 · ≥ 4.0.0 < 4.0.8

Remediation

Fixed in
Joomlic Icagenda≥ 3.9.15

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1040289.8
The Anton Extensions WordPress plugin through 1.2.2 does not perform any capability…
CVE-2026-621299.9
Contributor Arbitrary File Upload in Creator LMS <= 1.2.21…
CVE-2026-620259.0
Unauthenticated Arbitrary File Upload in Tailored Tools <= 3.0.3…
CVE-2026-620249.9
Subscriber Arbitrary File Upload in CodeBard Help Desk <= 1.1.2…
CVE-2026-835268.8
The FV Player 8 plugin for WordPress is vulnerable to Arbitrary File Upload in all…
CVE-2026-1038899.8
The 3D Product configurator for WooCommerce plugin for WordPress is vulnerable to…

Frequently asked

Is CVE-2026-48939 being actively exploited?

Yes. CVE-2026-48939 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 10 Jul 2026.

How severe is CVE-2026-48939?

CVE-2026-48939 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 20.1% probability of exploitation.

Which products are affected by CVE-2026-48939?

Affected products include Joomlic Icagenda.

How do I fix CVE-2026-48939?

Upgrade affected software to a fixed version, for example Joomlic Icagenda 3.9.15 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-48939 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.