CVE-2021-26830
SQL Injection in tribalsystems/zenario
SQL Injection in Tribalsystems Zenario CMS 8.8.52729 allows remote attackers to access the database or delete the plugin. This is accomplished via the ID input field of ajax.php in the Pugin library - delete module.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
9.1
SQL Injection in Tribalsystems Zenario CMS 8.8.52729 allows remote attackers to access the database or delete the plugin. This is accomplished via the ID input field of ajax.php in the Pugin library - delete module.
- Record
CVE-2021-26830- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-89
- Updated
- 2026-11-02
CVE List No score
SQL Injection in Tribalsystems Zenario CMS 8.8.52729 allows remote attackers to access the database or delete the plugin. This is accomplished via the ID input field of ajax.php in the Pugin library - delete module.
- Record
CVE-2021-26830- Updated
- 2026-11-02
EUVDEUVD-2022-1561 No score
SQL Injection in Tribalsystems Zenario CMS 8.8.52729 allows remote attackers to access the database or delete the plugin. This is accomplished via the ID input field of ajax.php in the Pugin library - delete module.
- Record
EUVD-2022-1561- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w4f3-7f7c-x652
9.1
SQL Injection in tribalsystems/zenario
SQL Injection in Tribalsystems Zenario CMS 8.8.52729 and prior allows remote attackers to access the database or delete the plugin. This is accomplished via the ID input field of ajax.php in the Pugin library - delete module.
- Record
GHSA-w4f3-7f7c-x652- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-89
- Updated
- 2026-11-02
OSV
9.1
SQL Injection in Tribalsystems Zenario CMS 8.8.52729 allows remote attackers to access the database or delete the plugin. This is accomplished via the ID input field of ajax.php in the Pugin library - delete module.
- Record
CVE-2021-26830- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-w4f3-7f7c-x652
9.1
SQL Injection in tribalsystems/zenario
SQL Injection in Tribalsystems Zenario CMS 8.8.52729 and prior allows remote attackers to access the database or delete the plugin. This is accomplished via the ID input field of ajax.php in the Pugin library - delete module.
- Record
GHSA-w4f3-7f7c-x652- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tribalsystems/zenarioPackagist |
before 8.8.53370 | 8.8.53370 |
tribalsystems/zenarioPackagist |
before 8.8.53370, plus listed versions 7.5.404407.5.410067.5.414997.5.416337.5.42085 Show 45 moreShow less7.5.429907.5.471807.6.415047.6.416337.6.420857.6.429907.6.471807.7.426827.7.429637.7.429907.7.442237.7.471807.7.473697.7.485838.0.442378.0.442738.0.442948.0.445218.0.450328.0.452508.0.455298.0.471808.0.485838.1.455308.1.456988.1.460898.1.464338.1.466158.1.471808.1.473698.1.485838.2.464368.2.466148.2.471808.2.473698.2.479928.2.485838.3.479978.3.485838.3.505648.4.505658.4.513408.5.505678.5.508378.5.51340 |
8.8.53370 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Zenario CMS 8.8.53370 - 'id' Blind SQL Injection | 2021-03-15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-26830 is a critical vulnerability (CVSS 9.1) in Tribalsystems Zenario, published April 16, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 4.57%, the 91st percentile. Fixed in tribalsystems/zenario 8.8.53370.
References
github.com/TribalSystems/Zenario/releases/tag/8.8.53370
nvd.nist.gov/vuln/detail/CVE-2021-26830
github.com/TribalSystems/Zenario/commit/2c82a4d126c8446106347ef603b157f2d4175fd1
edhunter484.medium.com/blind-sql-injection-on-zenario-cms-b58b6820c32d
exploit-db.com/exploits/49642
github.com/advisories/GHSA-w4f3-7f7c-x652
Left out here: 3 versions. The JSON record has them.