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CVE-2015-4694: Directory traversal vulnerability in download.php in the Zip Attachments plugin before 1.5.1 for WordPress all

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This week
HIGH 8.6REMOTEUPGRADE

CVE-2015-4694 is a high-severity flaw (CVSS 8.6) affecting zip attachments. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in download.php in the Zip Attachments plugin before 1.5.1 for WordPress allows remote attackers to read arbitrary files via a .. (dot dot) in the za_file parameter.

Why this priority

  • High severity
  • EPSS top 3%: very likely to be exploited
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score8.6 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance15.6% (top 3%)
CISA exploited listNo
WeaknessCWE-22
Published2016-01-08
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: zip attachments project

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

Am I affected?

Timeline

zip attachments project zip attachments UPGRADE
Affected: <= 1.5
Fixed in: newer than 1.5
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy zip-attachments || rpm -q zip-attachments || zip-attachments --version
2. UPGRADE to newer than 1.5 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade zip-attachments
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade zip-attachments
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

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-2015-4694?

zip attachments: upgrade to newer than 1.5. Exact commands for each OS are on this page.

Is CVE-2015-4694 being exploited?

CVE-2015-4694 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-2015-4694 affect?

CVE-2015-4694 affects zip attachments. Severity is high (CVSS 8.6). Directory traversal vulnerability in download.php in the Zip Attachments plugin before 1.5.1 for WordPress allows remote attackers to read arbitrary files via a .. (dot dot) in the za_file parameter.

How urgent is CVE-2015-4694?

Priority 64/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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