CVE-2011-5140: Multiple SQL injection vulnerabilities in the blog module 1.0 for DiY-CMS allow remote attackers to execute ar

This month

HIGH 7.5DOWNGRADE

CVE-2011-5140 is a high-severity flaw (CVSS 7.5) affecting blog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in the blog module 1.0 for DiY-CMS allow remote attackers to execute arbitrary SQL commands via the (1) start parameter to (a) tags.php, (b) list.php, (c) index.php, (d) main_index.php, (e) viewpost.php, (f) archive.php, (g) control/approve_comments.php, (h) control/approve_posts.php, and (i) control/viewcat.php; and the (2) month and (3) year parameters to archive.php.

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	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-89
Published	2012-08-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: diy-cms

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

Am I affected?

Timeline

2012-08-31 21:55 UTCPublished CVE record published
2026-06-16 23:36 UTCUpdated Record last modified

diy-cms blog 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 blog || rpm -q blog || blog --version

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

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

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

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

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: DIY-CMS blog mod - 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-2011-5140?

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

Is CVE-2011-5140 being exploited?

CVE-2011-5140 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-2011-5140 affect?

CVE-2011-5140 affects blog. Severity is high (CVSS 7.5). Multiple SQL injection vulnerabilities in the blog module 1.0 for DiY-CMS allow remote attackers to execute arbitrary SQL commands via the (1) start parameter to (a) tags.php, (b) list.php, (c) index.php, (d) main_index.php, (e) viewpost.ph

How urgent is CVE-2011-5140?

Priority 51/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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