CVE-2018-10547

high-risk
Published 2018-04-29

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.

Do I need to act?

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17.2% chance of exploitation in next 30 days
EPSS score — higher than 83% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Vendors

52
/ 100
high-risk
Severity 23/34 · High
Exploitability 13/34 · Low
Exposure 16/34 · Moderate