CVE-2023-5665: The Payment Forms for Paystack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugi

Q: How do I fix CVE-2023-5665?

payment forms for paystack: upgrade to newer than 3.4.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-5665 being exploited?

CVE-2023-5665 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-2023-5665 affect?

CVE-2023-5665 affects payment forms for paystack. Severity is medium (CVSS 6.4). The Payment Forms for Paystack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcodes in all versions up to, and including, 3.4.1 due to insufficient input sanitization and output escaping on user supp

Q: How urgent is CVE-2023-5665?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2023-5665 is a medium-severity flaw (CVSS 6.4) affecting payment forms for paystack. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Payment Forms for Paystack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcodes in all versions up to, and including, 3.4.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected p

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	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-02-08
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: paystack

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

Am I affected?

Timeline

2024-02-08 04:15 UTCPublished CVE record published
2026-06-17 06:49 UTCUpdated Record last modified

paystack payment forms for paystack UPGRADE

Affected: <= 3.4.1

Fixed in: newer than 3.4.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy payment-forms-for-paystack || rpm -q payment-forms-for-paystack || payment-forms-for-paystack --version

2. UPGRADE to newer than 3.4.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade payment-forms-for-paystack

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade payment-forms-for-paystack

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-2023-5665?

payment forms for paystack: upgrade to newer than 3.4.1. Exact commands for each OS are on this page.

Is CVE-2023-5665 being exploited?

CVE-2023-5665 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-2023-5665 affect?

CVE-2023-5665 affects payment forms for paystack. Severity is medium (CVSS 6.4). The Payment Forms for Paystack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcodes in all versions up to, and including, 3.4.1 due to insufficient input sanitization and output escaping on user supp

How urgent is CVE-2023-5665?

Priority 34/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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