How severe is CVE-2015-9319?

CVE-2015-9319 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-2015-9319 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-2015-9319?

CVE-2015-9319 affects Greg's High Performance Seo Project Greg's High Performance Seo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-9319?

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

When was CVE-2015-9319 published?

CVE-2015-9319 was published on 2019-08-20 and last updated on 2026-06-17.

CVE-2015-9319

CVE-2015-9319 is a medium-severity vulnerability in Greg's High Performance Seo Project Greg's High Performance Seo 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: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Greg's High Performance Seo Project Greg's High Performance Seo
Published: 2019-08-20
Last modified: 2026-06-17

Description

The gregs-high-performance-seo plugin before 1.6.2 for WordPress has XSS in the context of an old browser.

Frequently asked questions

What is CVE-2015-9319?: The gregs-high-performance-seo plugin before 1.6.2 for WordPress has XSS in the context of an old browser.
How severe is CVE-2015-9319?: CVE-2015-9319 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-2015-9319 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-2015-9319?: CVE-2015-9319 affects Greg's High Performance Seo Project Greg's High Performance Seo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-9319?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-9319 published?: CVE-2015-9319 was published on 2019-08-20 and last updated on 2026-06-17.

References

https://wordpress.org/plugins/gregs-high-performance-seo/#developers

Affected products (1)

cpe:2.3:a:greg\'s_high_performance_seo_project:greg\'s_high_performance_seo:*:*:*:*:*:wordpress:*:*

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