CVE-2012-6517: Multiple cross-site scripting (XSS) vulnerabilities in DiY-CMS 1.0 allow remote attackers to inject arbitrary

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MEDIUM 4.3DOWNGRADE

CVE-2012-6517 is a medium-severity flaw (CVSS 4.3) affecting diy-cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in DiY-CMS 1.0 allow remote attackers to inject arbitrary web script or HTML via the (1) question parameter to in /modules/poll/add.php or (2) question or (3) answer parameter to modules/poll/edit.php.

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	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-01-24
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

2013-01-24 01:55 UTCPublished CVE record published
2026-06-16 23:48 UTCUpdated Record last modified

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

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

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

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

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

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 1.0 Poll - Multiple Vulnerabilities

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-2012-6517?

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

Is CVE-2012-6517 being exploited?

CVE-2012-6517 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-2012-6517 affect?

CVE-2012-6517 affects diy-cms. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in DiY-CMS 1.0 allow remote attackers to inject arbitrary web script or HTML via the (1) question parameter to in /modules/poll/add.php or (2) question or (3) answer parameter to modules/p

How urgent is CVE-2012-6517?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2012-6519 HIGH 7.5 DOWNGRADE SQL injection vulnerability in modules/poll/index.php in DIY-CMS 1.0 allows remote attackers to execute arbitr
CVE-2012-6518 MEDIUM 6.8 DOWNGRADE Cross-site request forgery (CSRF) vulnerability in mod.php in DiY-CMS 1.0 allows remote attackers to hijack th

References

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