How severe is CVE-2017-17451?

CVE-2017-17451 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-2017-17451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17451?

CVE-2017-17451 affects Wpmailster Wp Mailster. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-17451?

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

When was CVE-2017-17451 published?

CVE-2017-17451 was published on 2017-12-07 and last updated on 2026-06-17.

CVE-2017-17451

CVE-2017-17451 is a medium-severity vulnerability in Wpmailster Wp Mailster 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wpmailster Wp Mailster
Published: 2017-12-07
Last modified: 2026-06-17

Description

The WP Mailster plugin before 1.5.5 for WordPress has XSS in the unsubscribe handler via the mes parameter to view/subscription/unsubscribe2.php.

Frequently asked questions

What is CVE-2017-17451?: The WP Mailster plugin before 1.5.5 for WordPress has XSS in the unsubscribe handler via the mes parameter to view/subscription/unsubscribe2.php.
How severe is CVE-2017-17451?: CVE-2017-17451 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-2017-17451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17451?: CVE-2017-17451 affects Wpmailster Wp Mailster. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-17451 published?: CVE-2017-17451 was published on 2017-12-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wpmailster:wp_mailster:*:*:*:*:*:wordpress:*:*

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