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CVE-2013-5353: Unrestricted file upload vulnerability in system/controllers/ajax/attachments.php in Sharetronix 3.1.1.3, 3.1.

45
This month
MEDIUM 6.8UPGRADE

CVE-2013-5353 is a medium-severity flaw (CVSS 6.8) affecting sharetronix. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unrestricted file upload vulnerability in system/controllers/ajax/attachments.php in Sharetronix 3.1.1.3, 3.1.1, and earlier allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an unspecified directory.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.8 (Medium)
EPSS exploit chance2.3% (top 17%)
CISA exploited listNo
Published2014-06-13
Last modified2026-06-16
Publisher (CNA): Flexera Software LLC · Vendor: sharetronix

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

Am I affected?

Timeline

sharetronix sharetronix UPGRADE
Affected: <= 3.1.1 · 3.1.1.3
Fixed in: newer than 3.1.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy sharetronix || rpm -q sharetronix || sharetronix --version
2. UPGRADE to newer than 3.1.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade sharetronix
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade sharetronix
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-2013-5353?

sharetronix: upgrade to newer than 3.1.1. Exact commands for each OS are on this page.

Is CVE-2013-5353 being exploited?

CVE-2013-5353 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-2013-5353 affect?

CVE-2013-5353 affects sharetronix. Severity is medium (CVSS 6.8). Unrestricted file upload vulnerability in system/controllers/ajax/attachments.php in Sharetronix 3.1.1.3, 3.1.1, and earlier allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing

How urgent is CVE-2013-5353?

Priority 45/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

References

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