CVE-2023-0143: The Send PDF for Contact Form 7 WordPress plugin before 0.9.9.2 does not validate and escape some of its short

Q: How do I fix CVE-2023-0143?

send pdf for contact form 7: upgrade to 0.9.9.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-0143 being exploited?

CVE-2023-0143 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-2023-0143 affect?

CVE-2023-0143 affects send pdf for contact form 7. Severity is medium (CVSS 5.4). The Send PDF for Contact Form 7 WordPress plugin before 0.9.9.2 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stor

Q: How urgent is CVE-2023-0143?

Priority 36/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2023-0143 is a medium-severity flaw (CVSS 5.4) affecting send pdf for contact form 7. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Send PDF for Contact Form 7 WordPress plugin before 0.9.9.2 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Published	2023-02-06
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: send pdf for contact form 7 project

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

Am I affected?

Timeline

2023-02-06 20:15 UTCPublished CVE record published
2026-06-17 05:24 UTCUpdated Record last modified

send pdf for contact form 7 project send pdf for contact form 7 UPGRADE

Affected: < 0.9.9.2

Fixed in: 0.9.9.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy send-pdf-for-contact-form-7 || rpm -q send-pdf-for-contact-form-7 || send-pdf-for-contact-form-7 --version

2. UPGRADE to 0.9.9.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade send-pdf-for-contact-form-7

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade send-pdf-for-contact-form-7

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-2023-0143?

send pdf for contact form 7: upgrade to 0.9.9.2. Exact commands for each OS are on this page.

Is CVE-2023-0143 being exploited?

CVE-2023-0143 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-2023-0143 affect?

CVE-2023-0143 affects send pdf for contact form 7. Severity is medium (CVSS 5.4). The Send PDF for Contact Form 7 WordPress plugin before 0.9.9.2 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stor

How urgent is CVE-2023-0143?

Priority 36/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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