What is CVE-2018-10547?

CVE-2018-10547 is a medium-severity vulnerability in NetApp Storage Automation Store, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-29.

How severe is CVE-2018-10547?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2018-10547 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in NetApp Storage Automation Store

CVE-2018-10547

An issue was discovered in ext/phar/phar_object.c in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. There is Reflected XSS on the PHAR 403 and 404 error pages via request data of a request for a .phar file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-5712.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-04-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.035 (88.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.036 · newest: 0.035 · change: -0.001

Affected products

NetApp Storage Automation Store
PHP
Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
Debian Linux — versions 7.0, 8.0, 9.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

www.securitytracker.com/id/1040807 (VDB Entry, Third Party Advisory, vdb-entry)
usn.ubuntu.com/3646-2/ (vendor-advisory, Third Party Advisory)
bugs.php.net/bug.php (Patch, Issue Tracking, Vendor Advisory)
www.debian.org/security/2018/dsa-4240 (vendor-advisory, Third Party Advisory)
www.tenable.com/security/tns-2018-12 (Third Party Advisory)
usn.ubuntu.com/3646-1/ (vendor-advisory, Third Party Advisory)
php.net/ChangeLog-5.php (Patch, Vendor Advisory)
lists.debian.org/debian-lts-announce/2018/05/msg00004.html (mailing-list, Mailing List, Third Party Advisory)
php.net/ChangeLog-7.php (Patch, Vendor Advisory)
security.netapp.com/advisory/ntap-20180607-0003/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-10547?: CVE-2018-10547 is a medium-severity vulnerability in NetApp Storage Automation Store, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-29.
How severe is CVE-2018-10547?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2018-10547 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.