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CVE-2015-9319: The gregs-high-performance-seo plugin before 1.6.2 for WordPress has XSS in the context of an old browser.

36
Routine
MEDIUM 6.1UPGRADE

CVE-2015-9319 is a medium-severity flaw (CVSS 6.1) affecting greg\'s high performance seo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.9% (top 40%)
CISA exploited listNo
WeaknessCWE-79
Published2019-08-20
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: greg\'s high performance seo project

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

Am I affected?

Timeline

greg\'s high performance seo project greg\'s high performance seo UPGRADE
Affected: < 1.6.2
Fixed in: 1.6.2
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy gregs-high-performance-seo || rpm -q gregs-high-performance-seo || gregs-high-performance-seo --version
2. UPGRADE to 1.6.2 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade gregs-high-performance-seo
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade gregs-high-performance-seo
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2015-9319?

greg\'s high performance seo: upgrade to 1.6.2. Exact commands for each OS are on this page.

Is CVE-2015-9319 being exploited?

CVE-2015-9319 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-2015-9319 affect?

CVE-2015-9319 affects greg\'s high performance seo. Severity is medium (CVSS 6.1). The gregs-high-performance-seo plugin before 1.6.2 for WordPress has XSS in the context of an old browser.

How urgent is CVE-2015-9319?

Priority 36/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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