CVE-2014-9521: Unrestricted file upload vulnerability in uploadScript.php in InfiniteWP Admin Panel before 2.4.4, when the al

Q: How do I fix CVE-2014-9521?

infinitewp: upgrade to newer than 2.4.3. Exact commands for each OS are on this page.

Q: Is CVE-2014-9521 being exploited?

CVE-2014-9521 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-9521 affect?

CVE-2014-9521 affects infinitewp. Severity is high (CVSS 7.5). Unrestricted file upload vulnerability in uploadScript.php in InfiniteWP Admin Panel before 2.4.4, when the allWPFiles query parameter is set, allows remote attackers to execute arbitrary code by uploading a file with a double extension, th

This month

HIGH 7.5UPGRADE

CVE-2014-9521 is a high-severity flaw (CVSS 7.5) affecting infinitewp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unrestricted file upload vulnerability in uploadScript.php in InfiniteWP Admin Panel before 2.4.4, when the allWPFiles query parameter is set, allows remote attackers to execute arbitrary code by uploading a file with a double extension, then accessing it via a direct request to the file in the uploads directory, as demonstrated by the .php.swp filename.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.3% (top 16%)
CISA exploited list	No
Weakness	CWE-94
Published	2015-01-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: infinitewp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-01-05 20:59 UTCPublished CVE record published
2026-06-17 00:18 UTCUpdated Record last modified

infinitewp infinitewp UPGRADE

Affected: <= 2.4.3

Fixed in: newer than 2.4.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.4.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade infinitewp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade infinitewp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2014-9521?

infinitewp: upgrade to newer than 2.4.3. Exact commands for each OS are on this page.

Is CVE-2014-9521 being exploited?

CVE-2014-9521 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-2014-9521 affect?

CVE-2014-9521 affects infinitewp. Severity is high (CVSS 7.5). Unrestricted file upload vulnerability in uploadScript.php in InfiniteWP Admin Panel before 2.4.4, when the allWPFiles query parameter is set, allows remote attackers to execute arbitrary code by uploading a file with a double extension, th

How urgent is CVE-2014-9521?

Priority 47/100. High severity

Software pages

PHP vulnerabilities

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References

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