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Stored cross-site scripting in iCagenda Joomla extension

Priority LOW 39CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The iCagenda extension for Joomla from icagenda.com is affected in versions 3.2.1 to 4.0.16. A url-type event Custom Field does not neutralize input, which allows stored cross-site scripting (CWE-79). An authenticated user with low privileges can store script that runs when another user views the affected event page.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Joomla Extension - icagenda.com - Stored XSS via url-type event Custom Field in iCagenda 3.2.1 to 4.0.16

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00284 21st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
icagenda.comiCagenda extension for Joomla3.2.1-4.0.16—No fix listedCNA
  • iCagenda extension for Joomla Vendoricagenda.com Affected 3.2.1-4.0.16 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for iCagenda extension for Joomla.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-102790
  2. 2026-10-28 Alias added: GHSA-pfmp-23x9-8m76
  3. 2026-10-30 Priority changed: MEDIUM → LOW
  4. 2026-11-06 CISA SSVC decision points changed

References

  • TI-2026-47661 SQL injection in icagenda.com iCagenda extension for Joomla CVSS 4.0CRITICAL 9.2
  • TI-2026-53168 Cross-site scripting in icagenda.com iCagenda extension for Joomla CVSS 4.0HIGH 8.6
  • TI-2026-50140 SQL injection in icagenda.com iCagenda extension for Joomla CVSS 4.0HIGH 8.6
  • TI-2026-81946 CSV formula injection in iCagenda Joomla extension exports CVSS 4.0MEDIUM 5.3
  • TI-2026-50139 Improper access control in icagenda.com iCagenda extension for Joomla CVSS 4.0MEDIUM 5.1
  • TI-2026-47662 Cross-site request forgery in icagenda.com iCagenda extension for Joomla CVSS 4.0MEDIUM 5.3

Sources