CVE-2018-12040: XSS
First published: Wed Jun 13 2018(Updated: )
** DISPUTED ** Reflected Cross-site scripting (XSS) vulnerability in the web profiler in SensioLabs Symfony 3.3.6 allows remote attackers to inject arbitrary web script or HTML via the "file" parameter, aka an _profiler/open?file= URI. NOTE: The vendor states "The XSS ... is in the web profiler, a tool that should never be deployed in production (so, we don't handle those issues as security issues)."
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Symfony | =3.3.6 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-12040?
CVE-2018-12040 is a Reflected Cross-site scripting (XSS) vulnerability in the web profiler in SensioLabs Symfony 3.3.6.
How does CVE-2018-12040 affect SensioLabs Symfony 3.3.6?
CVE-2018-12040 allows remote attackers to inject arbitrary web script or HTML via the "file" parameter.
What is the severity of CVE-2018-12040?
CVE-2018-12040 has a severity rating of medium (6.1).
How can I fix CVE-2018-12040 in SensioLabs Symfony 3.3.6?
To fix CVE-2018-12040, it is recommended to upgrade SensioLabs Symfony to a version that is not affected by the vulnerability.
Where can I find more information about CVE-2018-12040?
You can find more information about CVE-2018-12040 from the following references: [1] [2].
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