CVE-2018-12711

Description

An XSS issue was discovered in the language switcher module in Joomla! 1.6.0 through 3.8.8 before 3.8.9. In some cases, the link of the current language might contain unescaped HTML special characters. This may lead to reflective XSS via injection of arbitrary parameters and/or values on the current page URL.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.53% Top 20%
Vendor Advisory joomla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/104565 vdb entry third party advisory
https://developer.joomla.org/security-centre/740-20180602-core-xss-vulnerability-in-language-switcher-module vendor advisory
http://www.securitytracker.com/id/1041244 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-12711?
CVE-2018-12711 has been scored as a medium severity vulnerability.
How to fix CVE-2018-12711?
To fix CVE-2018-12711, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-12711 being actively exploited in the wild?
It is possible that CVE-2018-12711 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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