CVE-2021-26830

Name: CVE-2021-26830
Creator: NVD / NIST
Published: 2021-04-16T18:15:13.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 4.57%

Last modified Jun 17, 2026

CVE-2021-26830 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 4.57% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

4.57%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Tribalsystems	Zenario	8.8.52729

References

https://github.com/TribalSystems/Zenario/releases/tag/8.8.53370Release Notes, Third Party Advisory
https://github.com/TribalSystems/Zenario/releases/tag/8.8.53370Release Notes, Third Party Advisory

Timeline

Published: Apr 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26830?

How severe is CVE-2021-26830?

CVE-2021-26830 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 4.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26830?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-26830?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST