CVE-2018-19922

Name: CVE-2018-19922
Creator: NVD / NIST
Published: 2018-12-06T22:29:04.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.83%

Last modified Jun 17, 2026

CVE-2018-19922 is a vulnerability of currently unknown severity. Persistent Cross-Site Scripting (XSS) in the advancedsetup_websiteblocking.html Website Blocking page of the Actiontec C1000A router with firmware through CAC004-31.30L.95 allows a remote attacker to inject arbitrary HTML into the Website Blocking page by inserting arbitrary HTML into the 'TodUrlAdd' URL parameter in a /urlfilter.cmd POST request.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

Persistent Cross-Site Scripting (XSS) in the advancedsetup_websiteblocking.html Website Blocking page of the Actiontec C1000A router with firmware through CAC004-31.30L.95 allows a remote attacker to inject arbitrary HTML into the Website Blocking page by inserting arbitrary HTML into the 'TodUrlAdd' URL parameter in a /urlfilter.cmd POST request.

Metrics

EPSS Probability

0.83%

52.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Actiontec	C1000a Firmware	<= cac004-31.30l.95

References

https://github.com/logern5/c1000a_xss/blob/master/README.mdExploit, Third Party Advisory
https://github.com/logern5/c1000a_xss/blob/master/README.mdExploit, Third Party Advisory

Timeline

Published: Dec 6, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19922?

How severe is CVE-2018-19922?

Severity scoring for CVE-2018-19922 is pending analysis. The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19922?

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-2018-19922?

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

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Source: NVD / NIST