CVE-2019-11818

Name: CVE-2019-11818
Creator: NVD / NIST
Published: 2019-05-08T16:29:00.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.77%

Last modified Jun 17, 2026

CVE-2019-11818 is a vulnerability of currently unknown severity. Alkacon OpenCMS v10.5.4 and before is affected by stored cross site scripting (XSS) in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp). This allows an attacker to insert arbitrary JavaScript as user input (First Name or Last Name), which will be executed whenever the affected snippet is loaded.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

Description

Alkacon OpenCMS v10.5.4 and before is affected by stored cross site scripting (XSS) in the module New User (/opencms/system/workplace/admin/accounts/user_new.jsp). This allows an attacker to insert arbitrary JavaScript as user input (First Name or Last Name), which will be executed whenever the affected snippet is loaded.

Metrics

EPSS Probability

0.77%

50.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Alkacon	Opencms	<= 10.5.4

References

https://github.com/alkacon/opencms-core/issues/635Exploit, Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/04/30/3Exploit, Mailing List, Third Party Advisory
https://github.com/alkacon/opencms-core/issues/635Exploit, Third Party Advisory
https://www.openwall.com/lists/oss-security/2019/04/30/3Exploit, Mailing List, Third Party Advisory

Timeline

Published: May 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11818?

How severe is CVE-2019-11818?

Severity scoring for CVE-2019-11818 is pending analysis. The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11818?

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-2019-11818?

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

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Source: NVD / NIST