CVE-2024-5966: The Grey Opaque theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘url’ parameter withi

Q: How do I fix CVE-2024-5966?

grey opaque: upgrade to newer than 2.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-5966 being exploited?

CVE-2024-5966 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-5966 affect?

CVE-2024-5966 affects grey opaque. Severity is medium (CVSS 6.4). The Grey Opaque theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘url’ parameter within the theme's Download-Button shortcode in all versions up to, and including, 2.0.1 due to insufficient input sanitization and out

Q: How urgent is CVE-2024-5966?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2024-5966 is a medium-severity flaw (CVSS 6.4) affecting grey opaque. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Grey Opaque theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘url’ parameter within the theme's Download-Button shortcode in all versions up to, and including, 2.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-06-22
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: grey opaque project

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

Am I affected?

Timeline

2024-06-22 04:15 UTCPublished CVE record published
2026-06-17 08:17 UTCUpdated Record last modified

grey opaque project grey opaque UPGRADE

Affected: <= 2.0.1

Fixed in: newer than 2.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy grey-opaque || rpm -q grey-opaque || grey-opaque --version

2. UPGRADE to newer than 2.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade grey-opaque

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade grey-opaque

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-2024-5966?

grey opaque: upgrade to newer than 2.0.1. Exact commands for each OS are on this page.

Is CVE-2024-5966 being exploited?

CVE-2024-5966 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-2024-5966 affect?

CVE-2024-5966 affects grey opaque. Severity is medium (CVSS 6.4). The Grey Opaque theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘url’ parameter within the theme's Download-Button shortcode in all versions up to, and including, 2.0.1 due to insufficient input sanitization and out

How urgent is CVE-2024-5966?

Priority 27/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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