CVE-2023-6961: The WP Meta SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Referer’ header in

Q: How do I fix CVE-2023-6961?

wp meta seo: upgrade to 4.5.13. Exact commands for each OS are on this page.

Q: Is CVE-2023-6961 being exploited?

CVE-2023-6961 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-2023-6961 affect?

CVE-2023-6961 affects wp meta seo. Severity is high (CVSS 7.2). The WP Meta SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Referer’ header in all versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for u

Q: How urgent is CVE-2023-6961?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.2REMOTEUPGRADE

CVE-2023-6961 is a high-severity flaw (CVSS 7.2) affecting wp meta seo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WP Meta SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Referer’ header in all versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-05-02
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: joomunited

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

Am I affected?

Timeline

2024-05-02 17:15 UTCPublished CVE record published
2026-06-17 06:51 UTCUpdated Record last modified

joomunited wp meta seo UPGRADE

Affected: < 4.5.13

Fixed in: 4.5.13

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-meta-seo || rpm -q wp-meta-seo || wp-meta-seo --version

2. UPGRADE to 4.5.13 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-meta-seo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-meta-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-2023-6961?

wp meta seo: upgrade to 4.5.13. Exact commands for each OS are on this page.

Is CVE-2023-6961 being exploited?

CVE-2023-6961 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-2023-6961 affect?

CVE-2023-6961 affects wp meta seo. Severity is high (CVSS 7.2). The WP Meta SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Referer’ header in all versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for u

How urgent is CVE-2023-6961?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-45456 MEDIUM 6.5 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in JoomUnit
CVE-2024-45455 MEDIUM 5.9 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in JoomUnit
CVE-2023-6962 MEDIUM 5.3 UPGRADE The WP Meta SEO plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, an

References

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