CVE-2018-14840

Public Exploit

Description

uploads/.htaccess in Subrion CMS 4.2.1 allows XSS because it does not block .html file uploads (but does block, for example, .htm file uploads).

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.64% Top 15%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory exploit-db.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/intelliants/subrion/commit/cb10ac2294cb2c3a6d2159f9a2bb8c58a2a10a47 third party advisory patch
https://www.exploit-db.com/exploits/45150/ third party advisory vdb entry exploit
https://github.com/intelliants/subrion/issues/773 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-14840?
CVE-2018-14840 has been scored as a medium severity vulnerability.
How to fix CVE-2018-14840?
To fix CVE-2018-14840, 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-2018-14840 being actively exploited in the wild?
It is possible that CVE-2018-14840 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.