CVE-2017-9313 — Multiple Cross-site scripting (XSS) vulnerabilities in Webmin before 1

Multiple Cross-site scripting (XSS) vulnerabilities in Webmin before 1.850 allow remote attackers to inject arbitrary web script or HTML via the sec parameter to view_man.cgi, the referers parameter to change_referers.cgi, or the name parameter to save_user.cgi. NOTE: these issue

01What is this vulnerability?

Multiple Cross-site scripting (XSS) vulnerabilities in Webmin before 1.850 allow remote attackers to inject arbitrary web script or HTML via the sec parameter to view_man.cgi, the referers parameter to change_referers.cgi, or the name parameter to save_user.cgi. NOTE: these issues were not fixed in 1.840.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-07-04T02:29:00.283
• Last modified: 2026-05-13T00:24:29.033

09References

• seclists.org — http://seclists.org/bugtraq/2017/Jul/3
• www.securityfocus.com — http://www.securityfocus.com/bid/99373
• www.securitytracker.com — http://www.securitytracker.com/id/1038814
• www.webmin.com — http://www.webmin.com/changes.html
• github.com — https://github.com/webmin/webmin/commit/a330e913ee099cb9c586ce1b9267647fc566c1ab
• github.com — https://github.com/webmin/webmin/commit/c2d4a90639afb2403979aa91ba75cb332ae16d1b
• seclists.org — http://seclists.org/bugtraq/2017/Jul/3
• www.securityfocus.com — http://www.securityfocus.com/bid/99373
• www.securitytracker.com — http://www.securitytracker.com/id/1038814
• www.webmin.com — http://www.webmin.com/changes.html