CVE-2006-1533: SQL injection vulnerability in newsletter.php in Sourceworkshop newsletter 1.0 allows remote attackers to exec

This month

HIGH 7.5DOWNGRADE

CVE-2006-1533 is a high-severity flaw (CVSS 7.5) affecting newsletter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in newsletter.php in Sourceworkshop newsletter 1.0 allows remote attackers to execute arbitrary SQL commands via the newsletteremail parameter.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Published	2006-03-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sourceworkshop

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

Am I affected?

Timeline

2006-03-30 11:02 UTCPublished CVE record published
2026-06-16 22:23 UTCUpdated Record last modified

sourceworkshop newsletter DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison newsletter sudo apt install newsletter=<VERSION_BEFORE_1.0> sudo apt-mark hold newsletter

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

dnf --showduplicates list newsletter sudo dnf downgrade newsletter-<VERSION_BEFORE_1.0> sudo dnf versionlock add newsletter

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-2006-1533?

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

Is CVE-2006-1533 being exploited?

CVE-2006-1533 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-2006-1533 affect?

CVE-2006-1533 affects newsletter. Severity is high (CVSS 7.5). SQL injection vulnerability in newsletter.php in Sourceworkshop newsletter 1.0 allows remote attackers to execute arbitrary SQL commands via the newsletteremail parameter.

How urgent is CVE-2006-1533?

Priority 44/100. High severity

Software pages

PHP vulnerabilities

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References

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