CVE-2017-17904: FS Lynda Clone has XSS via the keywords parameter to tutorial/ or the edit_profile_first_name parameter to use

Routine

MEDIUM 5.4DOWNGRADE

CVE-2017-17904 is a medium-severity flaw (CVSS 5.4) affecting lynda clone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FS Lynda Clone has XSS via the keywords parameter to tutorial/ or the edit_profile_first_name parameter to user/edit_profile.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2017-12-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fortunescripts

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

Am I affected?

Timeline

2017-12-27 17:08 UTCPublished CVE record published
2026-06-17 01:11 UTCUpdated Record last modified

fortunescripts lynda clone DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy lynda-clone || rpm -q lynda-clone || lynda-clone --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison lynda-clone sudo apt install lynda-clone=<VERSION_BEFORE_1.0> sudo apt-mark hold lynda-clone

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list lynda-clone sudo dnf downgrade lynda-clone-<VERSION_BEFORE_1.0> sudo dnf versionlock add lynda-clone

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-17904?

lynda clone: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-17904 being exploited?

CVE-2017-17904 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-2017-17904 affect?

CVE-2017-17904 affects lynda clone. Severity is medium (CVSS 5.4). FS Lynda Clone has XSS via the keywords parameter to tutorial/ or the edit_profile_first_name parameter to user/edit_profile.

How urgent is CVE-2017-17904?

Priority 34/100. Public exploit reference

Related CVEs

CVE-2017-17903 HIGH 8.8 DOWNGRADE FS Lynda Clone has CSRF via user/edit_profile, as demonstrated by adding content to the user panel.
CVE-2017-17643 CRITICAL 9.8 DOWNGRADE FS Lynda Clone 1.0 has SQL Injection via the keywords parameter to tutorial/.

References

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