CVE-2017-18364: phpFK lite has XSS via the faq.php, members.php, or search.php query string or the user.php user parameter.
CVE-2017-18364 is a high-severity flaw (CVSS 7.4) affecting phpfk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
phpFK lite has XSS via the faq.php, members.php, or search.php query string or the user.php user parameter.
Why this priority
- High severity
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.4 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 1.4% (top 28%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2019-03-27 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2017-18364?
phpfk: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2017-18364 being exploited?
CVE-2017-18364 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-2017-18364 affect?
CVE-2017-18364 affects phpfk. Severity is high (CVSS 7.4). phpFK lite has XSS via the faq.php, members.php, or search.php query string or the user.php user parameter.
How urgent is CVE-2017-18364?
Priority 49/100. High severity; Public exploit reference