CVE-2006-4549: CHXO Feedsplitter 2006-01-21 allows remote attackers to read the source code of feedsplitter.php via the shows

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-4549 is a medium-severity flaw (CVSS 5.0) affecting feedsplitter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CHXO Feedsplitter 2006-01-21 allows remote attackers to read the source code of feedsplitter.php via the showsource function. NOTE: this issue is not a vulnerability in standard distributions, but could be an issue if the source has been modified.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Published	2006-09-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: chxo

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

Am I affected?

Timeline

2006-09-06 00:04 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

chxo feedsplitter DOWNGRADE

Affected: 2006-01-21

Fixed in: no fixed release known

Safe to downgrade to: a release before 2006-01-21

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2006-01-21 (Debian / Ubuntu)

apt-cache madison feedsplitter sudo apt install feedsplitter=<VERSION_BEFORE_2006-01-21> sudo apt-mark hold feedsplitter

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

dnf --showduplicates list feedsplitter sudo dnf downgrade feedsplitter-<VERSION_BEFORE_2006-01-21> sudo dnf versionlock add feedsplitter

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-2006-4549?

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

Is CVE-2006-4549 being exploited?

CVE-2006-4549 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-2006-4549 affect?

CVE-2006-4549 affects feedsplitter. Severity is medium (CVSS 5.0). CHXO Feedsplitter 2006-01-21 allows remote attackers to read the source code of feedsplitter.php via the showsource function. NOTE: this issue is not a vulnerability in standard distributions, but could be an issue if the source has been m

How urgent is CVE-2006-4549?

Priority 36/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-4552 MEDIUM 6.8 DOWNGRADE Cross-site scripting (XSS) vulnerability in CHXO Feedsplitter 2006-01-21 allows remote attackers to inject arb
CVE-2006-4551 HIGH 7.5 DOWNGRADE Eval injection vulnerability in CHXO Feedsplitter 2006-01-21 allows remote attackers to execute arbitrary PHP
CVE-2006-4550 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in CHXO Feedsplitter 2006-01-21 allows remote attackers to read arbitrary XM

References

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