CVE-2017-6479: FenixHosting/fenix-open-source before 2017-03-04 is vulnerable to a reflected XSS in forums/search.php (search

Q: How do I fix CVE-2017-6479?

fenix-open-source: upgrade to newer than 2017-02-21. Exact commands for each OS are on this page.

Q: Is CVE-2017-6479 being exploited?

CVE-2017-6479 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-2017-6479 affect?

CVE-2017-6479 affects fenix-open-source. Severity is medium (CVSS 6.1). FenixHosting/fenix-open-source before 2017-03-04 is vulnerable to a reflected XSS in forums/search.php (search-by-topic parameter).

Q: How urgent is CVE-2017-6479?

Priority 39/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2017-6479 is a medium-severity flaw (CVSS 6.1) affecting fenix-open-source. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FenixHosting/fenix-open-source before 2017-03-04 is vulnerable to a reflected XSS in forums/search.php (search-by-topic parameter).

Why this priority

Public exploit reference

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	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-03-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fenix hosting

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

Am I affected?

Timeline

2017-03-05 20:59 UTCPublished CVE record published
2026-06-17 01:22 UTCUpdated Record last modified

fenix hosting fenix-open-source UPGRADE

Affected: <= 2017-02-21

Fixed in: newer than 2017-02-21

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fenix-open-source || rpm -q fenix-open-source || fenix-open-source --version

2. UPGRADE to newer than 2017-02-21 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fenix-open-source

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fenix-open-source

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-2017-6479?

fenix-open-source: upgrade to newer than 2017-02-21. Exact commands for each OS are on this page.

Is CVE-2017-6479 being exploited?

CVE-2017-6479 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-2017-6479 affect?

CVE-2017-6479 affects fenix-open-source. Severity is medium (CVSS 6.1). FenixHosting/fenix-open-source before 2017-03-04 is vulnerable to a reflected XSS in forums/search.php (search-by-topic parameter).

How urgent is CVE-2017-6479?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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