CVE-2017-8085: In Exponent CMS before 2.4.1 Patch #5, XSS in elFinder is possible in framework/modules/file/connector/elfinde

Q: How do I fix CVE-2017-8085?

exponent cms: upgrade to newer than 2.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2017-8085 being exploited?

CVE-2017-8085 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-8085 affect?

CVE-2017-8085 affects exponent cms. Severity is medium (CVSS 6.1). In Exponent CMS before 2.4.1 Patch #5, XSS in elFinder is possible in framework/modules/file/connector/elfinder.php.

Q: How urgent is CVE-2017-8085?

Priority 38/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2017-8085 is a medium-severity flaw (CVSS 6.1) affecting exponent cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Exponent CMS before 2.4.1 Patch #5, XSS in elFinder is possible in framework/modules/file/connector/elfinder.php.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 33%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-04-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: exponentcms

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-04-24 14:59 UTCPublished CVE record published
2026-06-17 01:25 UTCUpdated Record last modified

exponentcms exponent cms UPGRADE

Affected: <= 2.4.0

Fixed in: newer than 2.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy exponent-cms || rpm -q exponent-cms || exponent-cms --version

2. UPGRADE to newer than 2.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade exponent-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade exponent-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-8085?

exponent cms: upgrade to newer than 2.4.0. Exact commands for each OS are on this page.

Is CVE-2017-8085 being exploited?

CVE-2017-8085 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-8085 affect?

CVE-2017-8085 affects exponent cms. Severity is medium (CVSS 6.1). In Exponent CMS before 2.4.1 Patch #5, XSS in elFinder is possible in framework/modules/file/connector/elfinder.php.

How urgent is CVE-2017-8085?

Priority 38/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

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References

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