CVE-2026-112289: XSS (CVSS 5.4)

Description

Koalixcrm through 1.14.0 contains a stored cross-site scripting vulnerability that allows staff users to inject script by storing malicious task titles rendered unescaped by Task.link_to_task(). Attackers can embed HTML or script that executes when administrators open the task changelist or change form, enabling actions like creating a superuser.

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CVSS v3.1 Score

5.4

MEDIUM

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

EPSS — Exploit Prediction

0.0020

Probability of exploitation

0.10%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://github.com/KoalixSwitzerland/koalixcrm/blob/1.14.0/koalixcrm/crm/reporting/task.py https://github.com/KoalixSwitzerland/koalixcrm/issues/444 https://www.vulncheck.com/advisories/koalixcrm-through-1.14.0-stored-xss-via-task-title-in-django-admin https://github.com/KoalixSwitzerland/koalixcrm/issues/444

Frequently Asked Questions

What is CVE-2026-112289? +

Koalixcrm through 1.14.0 contains a stored cross-site scripting vulnerability that allows staff users to inject script by storing malicious task titles rendered unescaped by Task.link_to_task(). Attackers can embed HTML or script that executes when administrators open the task changelist or change form, enabling actions like creating a superuser. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-112289? +

CVE-2026-112289 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0020, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-112289? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-112289