CVE-2005-1870: PHP remote file inclusion vulnerability in childwindow.inc.php in Popper 1.41-r2 and earlier allows remote att

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MEDIUM 5.0DOWNGRADE

CVE-2005-1870 is a medium-severity flaw (CVSS 5.0) affecting popper. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in childwindow.inc.php in Popper 1.41-r2 and earlier allows remote attackers to execute arbitrary PHP code via the form parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Published	2005-06-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: popper

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

Am I affected?

Timeline

2005-06-09 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

popper popper DOWNGRADE

Affected: 1.41_r2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.41_r2

1. Check installed version

apt-cache policy popper || rpm -q popper || popper --version

2. No fixed release: DOWNGRADE to a release before 1.41_r2 (Debian / Ubuntu)

apt-cache madison popper sudo apt install popper=<VERSION_BEFORE_1.41_r2> sudo apt-mark hold popper

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

dnf --showduplicates list popper sudo dnf downgrade popper-<VERSION_BEFORE_1.41_r2> sudo dnf versionlock add popper

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: Popper Webmail 1.41 - 'ChildWindow.Inc.php' 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-2005-1870?

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

Is CVE-2005-1870 being exploited?

CVE-2005-1870 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-2005-1870 affect?

CVE-2005-1870 affects popper. Severity is medium (CVSS 5.0). PHP remote file inclusion vulnerability in childwindow.inc.php in Popper 1.41-r2 and earlier allows remote attackers to execute arbitrary PHP code via the form parameter.

How urgent is CVE-2005-1870?

Priority 44/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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