Is CVE-2018-17082 in the CISA KEV catalog?

No. CVE-2018-17082 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-17082?

CVE-2018-17082 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2018-17082?

CVE-2018-17082 has an EPSS score of 4.10% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-17082?

Upgrade php to 7.2.10 or later.

CVE & CISA-KEV Catalog

CVE-2018-17082

MEDIUMEPSS 90th pctl

6.1

CVSS v3

NVD

Description

The Apache2 component in PHP before 5.6.38, 7.0.x before 7.0.32, 7.1.x before 7.1.22, and 7.2.x before 7.2.10 allows XSS via the body of a "Transfer-Encoding: chunked" request, because the bucket brigade is mishandled in the php_handler function in sapi/apache2handler/sapi_apache2.c.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

phpNVD

Affected:>= 7.2.0, < 7.2.10Fixed in:7.2.10CVE-2018-17082derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

4.10%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Patch1

github.com

Exploit1

bugs.php.net

Third-Party Advisory4

Release Notes2

Other references2

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.