CVE-2010-4878: PHP remote file inclusion vulnerability in formmailer.php in Kontakt Formular 1.1 allows remote attackers to e

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HIGH 7.5DOWNGRADE

CVE-2010-4878 is a high-severity flaw (CVSS 7.5) affecting kontakt formular. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in formmailer.php in Kontakt Formular 1.1 allows remote attackers to execute arbitrary PHP code via a URL in the script_pfad parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-94
Published	2011-10-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hinnendahl

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2011-10-07 10:55 UTCPublished CVE record published
2026-06-16 23:25 UTCUpdated Record last modified

hinnendahl kontakt formular DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy kontakt-formular || rpm -q kontakt-formular || kontakt-formular --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison kontakt-formular sudo apt install kontakt-formular=<VERSION_BEFORE_1.1> sudo apt-mark hold kontakt-formular

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

dnf --showduplicates list kontakt-formular sudo dnf downgrade kontakt-formular-<VERSION_BEFORE_1.1> sudo dnf versionlock add kontakt-formular

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.

Public exploits and detection

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

Exploit-DB: kontakt formular 1.1 - Remote File Inclusion

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-2010-4878?

kontakt formular: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2010-4878 being exploited?

CVE-2010-4878 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-2010-4878 affect?

CVE-2010-4878 affects kontakt formular. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in formmailer.php in Kontakt Formular 1.1 allows remote attackers to execute arbitrary PHP code via a URL in the script_pfad parameter.

How urgent is CVE-2010-4878?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-6655 HIGH 7.5 DOWNGRADE PHP remote file inclusion vulnerability in includes/function.php in Kontakt Formular 1.4 allows remote attacke

References

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