CVE-2026-125392: XSS (CVSS 5.4)

Description

Webmin through 2.670 contains a stored cross-site scripting vulnerability in bind8/edit_recs.cgi that outputs raw DNS record values without HTML escaping in ALL view mode. Delegated zone users such as Virtualmin domain owners can store record values containing script that executes in an administrator's browser when viewing zone records.

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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

0.0017

Probability of exploitation

0.07%

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/webmin/webmin https://github.com/webmin/webmin/blob/2.670/bind8/edit_recs.cgi#L271 https://github.com/webmin/webmin/commit/224cbd91467c98c3147df695fe9abc8149183356 https://www.vulncheck.com/advisories/webmin-through-2.670-stored-xss-via-bind8-edit-recs-cgi-all-view

Frequently Asked Questions

What is CVE-2026-125392? +

Webmin through 2.670 contains a stored cross-site scripting vulnerability in bind8/edit_recs.cgi that outputs raw DNS record values without HTML escaping in ALL view mode. Delegated zone users such as Virtualmin domain owners can store record values containing script that executes in an administrator's browser when viewing zone records. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-125392? +

CVE-2026-125392 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 0.0017, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-125392? +

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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