CVE-2023-28663: The Formidable PRO2PDF WordPress Plugin, version < 3.11, is affected by an authenticated SQL injection vulnera

Q: How do I fix CVE-2023-28663?

formidable pro2pdf: upgrade to 3.11. Exact commands for each OS are on this page.

Q: Is CVE-2023-28663 being exploited?

CVE-2023-28663 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-2023-28663 affect?

CVE-2023-28663 affects formidable pro2pdf. Severity is high (CVSS 8.8). The Formidable PRO2PDF WordPress Plugin, version < 3.11, is affected by an authenticated SQL injection vulnerability in the ‘fieldmap’ parameter in the fpropdf_export_file action.

Q: How urgent is CVE-2023-28663?

Priority 51/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2023-28663 is a high-severity flaw (CVSS 8.8) affecting formidable pro2pdf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Formidable PRO2PDF WordPress Plugin, version < 3.11, is affected by an authenticated SQL injection vulnerability in the ‘fieldmap’ parameter in the fpropdf_export_file action.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-03-22
Last modified	2026-10-23

Publisher (CNA): Tenable Network Security, Inc. · Vendor: formidablepro2pdf

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-03-22 21:15 UTCPublished CVE record published
2026-10-23 23:10 UTCUpdated Record last modified

formidablepro2pdf formidable pro2pdf UPGRADE

Affected: < 3.11

Fixed in: 3.11

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy formidable-pro2pdf || rpm -q formidable-pro2pdf || formidable-pro2pdf --version

2. UPGRADE to 3.11 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade formidable-pro2pdf

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade formidable-pro2pdf

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · python-openslide · FIXED · 1.4.7-1.fc46 · FEDORA-2026-336bea884e · source

sudo dnf upgrade --advisory=FEDORA-2026-336bea884e

Fedora ELN · valgrind · FIXED · 3.28.0-1.eln159 · FEDORA-2026-c593ef1d15 · source

sudo dnf upgrade --advisory=FEDORA-2026-c593ef1d15

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.tenable.com/security/research/tra-2023-2

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-2023-28663?

formidable pro2pdf: upgrade to 3.11. Exact commands for each OS are on this page.

Is CVE-2023-28663 being exploited?

CVE-2023-28663 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-2023-28663 affect?

CVE-2023-28663 affects formidable pro2pdf. Severity is high (CVSS 8.8). The Formidable PRO2PDF WordPress Plugin, version < 3.11, is affected by an authenticated SQL injection vulnerability in the ‘fieldmap’ parameter in the fpropdf_export_file action.

How urgent is CVE-2023-28663?

Priority 51/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities

References

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