CVE-2009-0517: Eval injection vulnerability in index.php in phpSlash 0.8.1.1 and earlier allows remote attackers to execute a

Q: How do I fix CVE-2009-0517?

phpslash: upgrade to newer than 0.8.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2009-0517 being exploited?

CVE-2009-0517 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-2009-0517 affect?

CVE-2009-0517 affects phpslash. Severity is high (CVSS 10.0). Eval injection vulnerability in index.php in phpSlash 0.8.1.1 and earlier allows remote attackers to execute arbitrary PHP code via the fields parameter, which is supplied to an eval function call within the generic function in include/clas

Q: How urgent is CVE-2009-0517?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

This week

HIGH 10.0UPGRADE

CVE-2009-0517 is a high-severity flaw (CVSS 10.0) affecting phpslash. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Eval injection vulnerability in index.php in phpSlash 0.8.1.1 and earlier allows remote attackers to execute arbitrary PHP code via the fields parameter, which is supplied to an eval function call within the generic function in include/class/tz_env.class. NOTE: some of these details are obtained from third party information.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	48.9% (top 1%)
CISA exploited list	No
Weakness	CWE-94
Published	2009-02-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpslash

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

Am I affected?

Timeline

2009-02-11 00:30 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

phpslash phpslash UPGRADE

Affected: all versions · <= 0.8.1.1 · 0.5.3.2 · 0.6 · 0.6.1 · 0.6.2 · 0.7.1 · 0.7.2

Fixed in: newer than 0.8.1.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.8.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade phpslash

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phpslash

Note

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

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: PHPSlash 0.8.1.1 - Remote Code Execution

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-2009-0517?

phpslash: upgrade to newer than 0.8.1.1. Exact commands for each OS are on this page.

Is CVE-2009-0517 being exploited?

CVE-2009-0517 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-2009-0517 affect?

CVE-2009-0517 affects phpslash. Severity is high (CVSS 10.0). Eval injection vulnerability in index.php in phpSlash 0.8.1.1 and earlier allows remote attackers to execute arbitrary PHP code via the fields parameter, which is supplied to an eval function call within the generic function in include/clas

How urgent is CVE-2009-0517?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

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