CVE-2015-8684

Name: CVE-2015-8684
Creator: NVD / NIST
Published: 2017-01-18T17:59:00.293+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.22%

Last modified Jun 17, 2026

CVE-2015-8684 is a vulnerability of currently unknown severity. Exponent CMS before 2.3.7 does not properly restrict the types of files that can be uploaded, which allows remote attackers to conduct cross-site scripting (XSS) attacks and possibly have other unspecified impact as demonstrated by uploading a file with an .html extension, then accessing it via the elFinder functionality.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.

Description

Exponent CMS before 2.3.7 does not properly restrict the types of files that can be uploaded, which allows remote attackers to conduct cross-site scripting (XSS) attacks and possibly have other unspecified impact as demonstrated by uploading a file with an .html extension, then accessing it via the elFinder functionality.

Metrics

EPSS Probability

1.22%

64.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Exponentcms	Exponent Cms	<= 2.3.5

References

https://exponentcms.lighthouseapp.com/projects/61783/tickets/1323-exponent-cms-235-file-upload-cross-site-scripting-vulnerabilityVendor Advisory
https://packetstormsecurity.com/files/136762/Exponent-CMS-2.3.5-File-Upload-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry
https://exponentcms.lighthouseapp.com/projects/61783/tickets/1323-exponent-cms-235-file-upload-cross-site-scripting-vulnerabilityVendor Advisory
https://packetstormsecurity.com/files/136762/Exponent-CMS-2.3.5-File-Upload-Cross-Site-Scripting.htmlThird Party Advisory, VDB Entry

Timeline

Published: Jan 18, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8684?

How severe is CVE-2015-8684?

Severity scoring for CVE-2015-8684 is pending analysis. The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8684?

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-2015-8684?

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

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Source: NVD / NIST