CVE-2005-2587: SQL injection vulnerability in emailvalidate.php in PHPTB Topic Boards 2.0 allows remote attackers to execute

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HIGH 7.5DOWNGRADE

CVE-2005-2587 is a high-severity flaw (CVSS 7.5) affecting topic boards. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in emailvalidate.php in PHPTB Topic Boards 2.0 allows remote attackers to execute arbitrary SQL commands via the mid parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Published	2005-08-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phptb

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

Am I affected?

Timeline

2005-08-16 04:00 UTCPublished CVE record published
2026-06-16 22:15 UTCUpdated Record last modified

phptb topic boards DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy topic-boards || rpm -q topic-boards || topic-boards --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison topic-boards sudo apt install topic-boards=<VERSION_BEFORE_2.0> sudo apt-mark hold topic-boards

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

dnf --showduplicates list topic-boards sudo dnf downgrade topic-boards-<VERSION_BEFORE_2.0> sudo dnf versionlock add topic-boards

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: PHPTB Topic Board 2.0 - 'index.php?mid' SQL Injection

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-2005-2587?

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

Is CVE-2005-2587 being exploited?

CVE-2005-2587 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-2005-2587 affect?

CVE-2005-2587 affects topic boards. Severity is high (CVSS 7.5). SQL injection vulnerability in emailvalidate.php in PHPTB Topic Boards 2.0 allows remote attackers to execute arbitrary SQL commands via the mid parameter.

How urgent is CVE-2005-2587?

Priority 48/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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