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PatchSiren cyber security CVE debrief

CVE-2026-103419 joomshaper.com CVE debrief

A stored cross-site scripting (XSS) vulnerability exists in the Media Picker of Helix Ultimate, a Joomla extension developed by Joomshaper, prior to version 2.2.11. This vulnerability, reported as CVE-2026-103419, has been assessed as High severity with a CVSS score of 8.6. The vulnerability allows for stored cross-site scripting (XSS) attacks, potentially enabling attackers to inject malicious scripts into the application. Defenders should prioritize verifying exposure of Joomla installations using Helix Ultimate versions prior to 2.2.11 and applying the necessary updates to prevent potential exploitation. The CVE record and NVD entry provide details on the vulnerability, but it

Vendor
joomshaper.com
Product
Helix Ultimate extension for Joomla
CVSS
HIGH 8.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-11-02
Original CVE updated
2026-11-02
Advisory published
2026-11-02
Advisory updated
2026-11-02

Who should care

Defenders responsible for Joomla installations using the Helix Ultimate extension should assess their exposure to this vulnerability, particularly if versions prior to 2.2.11 are in use.

Why it matters

CVE-2026-103419 represents a High-severity vulnerability in the Helix Ultimate Joomla extension, allowing for stored XSS attacks. Defenders should prioritize verifying exposure and applying updates to prevent potential exploitation.

  • Potential for attackers to inject malicious scripts via the Media Picker feature.
  • Possible impact on the confidentiality and integrity of data within the Joomla application.
  • Need for defenders to verify and update vulnerable versions of Helix Ultimate.
  • Potential for attackers to exploit this vulnerability in conjunction with other weaknesses.

Technical summary

The vulnerability exists in the Media Picker feature of Helix Ultimate, a Joomla extension. It allows for stored cross-site scripting (XSS) attacks, potentially enabling attackers to inject malicious scripts into the application. The CVSS score for this vulnerability is 8.6, indicating a High severity level.

Defensive priority

Defenders should prioritize verifying exposure of Joomla installations using Helix Ultimate versions prior to 2.2.11 and applying the necessary updates.

Recommended defensive actions

  • Verify Joomla installations for usage of Helix Ultimate and assess versions prior to 2.2.11 for potential exposure.
  • Apply updates to Helix Ultimate to version 2.2.11 or later.
  • Monitor Joomla installations for suspicious activity related to the Media Picker feature.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score and vector. However, specific details about exploitation or affected versions beyond Helix Ultimate < 2.2.11 are not provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-103419 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-103419

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

  • CVE-2026-103419 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-103419

    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.