How severe is CVE-2017-5474?

CVE-2017-5474 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-5474 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5474?

CVE-2017-5474 affects S9y Serendipity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-5474?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-5474 published?

CVE-2017-5474 was published on 2017-01-14 and last updated on 2026-06-17.

CVE-2017-5474

CVE-2017-5474 is a medium-severity vulnerability in S9y Serendipity with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: S9y Serendipity
Published: 2017-01-14
Last modified: 2026-06-17

Description

Open redirect vulnerability in comment.php in Serendipity through 2.0.5 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the HTTP Referer header.

Frequently asked questions

What is CVE-2017-5474?: Open redirect vulnerability in comment.php in Serendipity through 2.0.5 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the HTTP Referer header.
How severe is CVE-2017-5474?: CVE-2017-5474 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-5474 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5474?: CVE-2017-5474 affects S9y Serendipity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5474?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-5474 published?: CVE-2017-5474 was published on 2017-01-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:s9y:serendipity:*:*:*:*:*:*:*:*

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Other CWE-601 (Open Redirect) vulnerabilities

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Browse all CWE-601 (Open Redirect) vulnerabilities →