CVE-2024-13899: The Mambo Importer plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and inclu

Routine

HIGH 7.2DOWNGRADE

CVE-2024-13899 is a high-severity flaw (CVSS 7.2) affecting mambo joomla importer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Mambo Importer plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.0 via deserialization of untrusted input via the $data parameter in the fImportMenu function. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another p

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-502
Published	2025-02-22
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: misterpah

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

Am I affected?

Timeline

2025-02-22 04:15 UTCPublished CVE record published
2026-06-17 07:02 UTCUpdated Record last modified

misterpah mambo joomla importer DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy mambo-joomla-importer || rpm -q mambo-joomla-importer || mambo-joomla-importer --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison mambo-joomla-importer sudo apt install mambo-joomla-importer=<VERSION_BEFORE_1.0> sudo apt-mark hold mambo-joomla-importer

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list mambo-joomla-importer sudo dnf downgrade mambo-joomla-importer-<VERSION_BEFORE_1.0> sudo dnf versionlock add mambo-joomla-importer

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-13899?

mambo joomla importer: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-13899 being exploited?

CVE-2024-13899 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-2024-13899 affect?

CVE-2024-13899 affects mambo joomla importer. Severity is high (CVSS 7.2). The Mambo Importer plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.0 via deserialization of untrusted input via the $data parameter in the fImportMenu function. This makes it possible for a

How urgent is CVE-2024-13899?

Priority 38/100. High severity

Software pages

WordPress vulnerabilities · Joomla vulnerabilities · PHP vulnerabilities

References

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