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PatchSiren cyber security CVE debrief

CVE-2026-100748 svenbluege.de CVE debrief

A Cross-Site Request Forgery (CSRF) vulnerability exists in the Event Gallery extension for Joomla, version < 6.5.0. This vulnerability allows attackers to perform various cart actions without the user's consent. The Event Gallery extension handles cart actions in a way that does not properly validate requests, making it susceptible to CSRF attacks. To address this vulnerability, defenders should verify the version of the Event Gallery extension in use and ensure it is updated to 6.5.0 or later. Additionally, implementing CSRF protections for cart actions in the Event Gallery extension can help prevent exploitation. It is also essential to monitor for suspicious activity related to

Vendor
svenbluege.de
Product
Event Gallery for Joomla
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-27
Original CVE updated
2026-09-27
Advisory published
2026-09-27
Advisory updated
2026-09-27

Who should care

Defenders responsible for managing Joomla installations with the Event Gallery extension should assess their exposure and prioritize verification and remediation efforts.

Why it matters

Defenders should care about CVE-2026-100748 because it represents a CSRF vulnerability in the Event Gallery extension for Joomla, which could lead to unauthorized cart actions and potential data integrity issues. The vulnerability requires verification of the extension version and remediation to prevent exploitation.

  • Potential unauthorized cart actions
  • Need for verification of extension version and remediation
  • Possible impact on user trust and data integrity

Technical summary

The Event Gallery extension for Joomla, version < 6.5.0, is vulnerable to Cross-Site Request Forgery (CSRF) attacks. This allows attackers to perform various cart actions without the user's consent. The vulnerability arises from inadequate request validation in the extension's cart action handling. To mitigate this vulnerability, it is crucial to update the Event Gallery extension to version 6.5.0 or later. Furthermore, defenders should consider implementing additional CSRF protections for cart actions in the Event Gallery extension to enhance security. Monitoring

Defensive priority

Defenders should prioritize verifying the version of the Event Gallery extension in use and ensuring it is updated to 6.5.0 or later.

Recommended defensive actions

  • Verify the version of the Event Gallery extension in use and update to 6.5.0 or later if necessary.
  • Implement CSRF protections for cart actions in the Event Gallery extension.
  • Monitor for suspicious activity related to cart actions in the Event Gallery extension.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further investigation is required to determine the full scope of the vulnerability and its potential impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-100748 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-100748

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-100748 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-100748

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.