CVE-2017-6486: A Cross-Site Scripting (XSS) issue was discovered in reasoncms before 4.7.1

Q: How do I fix CVE-2017-6486?

reasoncms: upgrade to newer than 4.7. Exact commands for each OS are on this page.

Q: Is CVE-2017-6486 being exploited?

CVE-2017-6486 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-2017-6486 affect?

CVE-2017-6486 affects reasoncms. Severity is medium (CVSS 6.1). A Cross-Site Scripting (XSS) issue was discovered in reasoncms before 4.7.1. The vulnerability exists due to insufficient filtration of user-supplied data (nyroModalSel) passed to the "reasoncms-master/www/nyroModal/demoSent.php" URL. An at

Q: How urgent is CVE-2017-6486?

Priority 40/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2017-6486 is a medium-severity flaw (CVSS 6.1) affecting reasoncms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross-Site Scripting (XSS) issue was discovered in reasoncms before 4.7.1. The vulnerability exists due to insufficient filtration of user-supplied data (nyroModalSel) passed to the "reasoncms-master/www/nyroModal/demoSent.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

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 46%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-03-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: reasoncms

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

reasoncms reasoncms UPGRADE

Affected: <= 4.7

Fixed in: newer than 4.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy reasoncms || rpm -q reasoncms || reasoncms --version

2. UPGRADE to newer than 4.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade reasoncms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade reasoncms

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-2017-6486?

reasoncms: upgrade to newer than 4.7. Exact commands for each OS are on this page.

Is CVE-2017-6486 being exploited?

CVE-2017-6486 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-2017-6486 affect?

CVE-2017-6486 affects reasoncms. Severity is medium (CVSS 6.1). A Cross-Site Scripting (XSS) issue was discovered in reasoncms before 4.7.1. The vulnerability exists due to insufficient filtration of user-supplied data (nyroModalSel) passed to the "reasoncms-master/www/nyroModal/demoSent.php" URL. An at

How urgent is CVE-2017-6486?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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