CVE-2026-77992— Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2
Quick assessment
Affected
fabrikar.com Fabrik extension for Joomla
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Joomla 扩展 - fabrikar.com - 在 Fabrik < 4.7.2 版本的 calc 元素中存在 heredoc 终止符逃逸漏洞 - onUpdateComment 端点未执行任何访问控制检查。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| fabrikar.com | Fabrik extension for Joomla | 1.0.0-4.7.1 |
affected |
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I. Basic Information for CVE-2026-77992
Vulnerability Information
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Vulnerability Title
Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2 - The onUpdateComment endpoint did not perform any access checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| fabrikar.com | Fabrik extension for Joomla | 1.0.0-4.7.1 | - |
|
II. Public POCs for CVE-2026-77992
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Pages for CVE-2026-77992 (1)
Same Patch Batch · fabrikar.com · 2026-08-22 · 17 CVEs total
| CVE-2026-76606 | 10.0 CRITICAL | Joomla Extension - fabrikar.com - Path Traversal via image element in Fabrik < 4.7.2 |
| CVE-2026-76604 | 10.0 CRITICAL | Joomla Extension - fabrikar.com - Unauthenticated remote code execution via PHP form eleme |
| CVE-2026-76605 | 10.0 CRITICAL | Joomla Extension - fabrikar.com - Remote code execution via image element in Fabrik < 4.7. |
| CVE-2026-76607 | 10.0 CRITICAL | Joomla Extension - fabrikar.com - Missing ACL check in download element in Fabrik < 4.7.2 |
| CVE-2026-76602 | 9.3 CRITICAL | Joomla Extension - fabrikar.com - Unauthenticated SQL injection in ORDER BY in Fabrik < 4. |
| CVE-2026-76571 | 9.3 CRITICAL | Joomla Extension - fabrikar.com - Unauthenticated SQL injection in list filter condition p |
| CVE-2026-76596 | 8.7 HIGH | Joomla Extension - fabrikar.com - Unauthenticated table truncation via list.doempty in Fab |
| CVE-2026-76597 | 8.7 HIGH | Joomla Extension - fabrikar.com - Unauthenticated arbitrary file upload to web root via li |
| CVE-2026-76599 | 8.7 HIGH | Joomla Extension - fabrikar.com - Unauthenticated database table list and table-prefix dis |
| CVE-2026-76598 | 8.7 HIGH | Joomla Extension - fabrikar.com - Unauthenticated arbitrary directory listing via onAjax_g |
| CVE-2026-77027 | 8.6 HIGH | Joomla Extension - fabrikar.com - Unauthenticated stored XSS in Fabrik < 4.7.2 |
| CVE-2026-76603 | 6.9 MEDIUM | Joomla Extension - fabrikar.com - Unauthenticated row disclosure via form.inlineedit in Fa |
| CVE-2026-76608 | 6.9 MEDIUM | Joomla Extension - fabrikar.com - Unauthenticated disclosure of any commenter's email addr |
| CVE-2026-76600 | 6.9 MEDIUM | Joomla Extension - fabrikar.com - Unauthenticated deletion of any comment in Fabrik < 4.7. |
| CVE-2026-76601 | 6.9 MEDIUM | Joomla Extension - fabrikar.com - Unauthenticated row reordering in Fabrik < 4.7.2 |
| CVE-2026-76609 | 6.9 MEDIUM | Joomla Extension - fabrikar.com - Unauthenticated modification of any comment in Fabrik < |
IV. Related Vulnerabilities
Same product: Fabrik extension for Joomla
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CVE-2026-76606
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CVE-2026-77027
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CVE-2026-76571
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Same vendor: fabrikar.com
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CVE-2026-77027
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CVE-2026-76571
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Same weakness: CWE-94
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V. Comments for CVE-2026-77992
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