CVE-2018-10547

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 10.11% Top 10%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory php.net Vendor Advisory php.net Vendor Advisory php.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1040807 vdb entry third party advisory
https://usn.ubuntu.com/3646-2/ third party advisory vendor advisory
https://bugs.php.net/bug.php?id=76129 issue tracking patch vendor advisory
https://www.debian.org/security/2018/dsa-4240 third party advisory vendor advisory
https://www.tenable.com/security/tns-2018-12 third party advisory
https://usn.ubuntu.com/3646-1/ third party advisory vendor advisory
http://php.net/ChangeLog-5.php patch vendor advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00004.html third party advisory mailing list
http://php.net/ChangeLog-7.php patch vendor advisory
https://security.netapp.com/advisory/ntap-20180607-0003/ third party advisory
https://lists.debian.org/debian-lts-announce/2018/06/msg00005.html third party advisory mailing list
https://access.redhat.com/errata/RHSA-2019:2519 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-10547?
CVE-2018-10547 has been scored as a medium severity vulnerability.
How to fix CVE-2018-10547?
To fix CVE-2018-10547, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-10547 being actively exploited in the wild?
It is possible that CVE-2018-10547 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.