CVE-2009-0529: Cross-site scripting (XSS) vulnerability in index.php in SnippetMaster Webpage Editor 2.2.2 allows remote atta

Routine

MEDIUM 4.3DOWNGRADE

CVE-2009-0529 is a medium-severity flaw (CVSS 4.3) affecting snippetmaster webpage editor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in index.php in SnippetMaster Webpage Editor 2.2.2 allows remote attackers to inject arbitrary web script or HTML via the language parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-02-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: electrictoad

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 20:30 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

electrictoad snippetmaster webpage editor DOWNGRADE

Affected: 2.2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.2

1. Check installed version

apt-cache policy snippetmaster-webpage-editor || rpm -q snippetmaster-webpage-editor || snippetmaster-webpage-editor --version

2. No fixed release: DOWNGRADE to a release before 2.2.2 (Debian / Ubuntu)

apt-cache madison snippetmaster-webpage-editor sudo apt install snippetmaster-webpage-editor=<VERSION_BEFORE_2.2.2> sudo apt-mark hold snippetmaster-webpage-editor

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

dnf --showduplicates list snippetmaster-webpage-editor sudo dnf downgrade snippetmaster-webpage-editor-<VERSION_BEFORE_2.2.2> sudo dnf versionlock add snippetmaster-webpage-editor

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: SnippetMaster Webpage Editor 2.2.2 - Remote File Inclusion / Cross-Site Scripting

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-2009-0529?

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

Is CVE-2009-0529 being exploited?

CVE-2009-0529 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-2009-0529 affect?

CVE-2009-0529 affects snippetmaster webpage editor. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in index.php in SnippetMaster Webpage Editor 2.2.2 allows remote attackers to inject arbitrary web script or HTML via the language parameter.

How urgent is CVE-2009-0529?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2009-0530 MEDIUM 6.8 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in SnippetMaster 2.2.2, when register_globals is enabled, a

References

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