How severe is CVE-2018-19458?

CVE-2018-19458 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-19458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19458?

CVE-2018-19458 affects Php-proxy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-19458 published?

CVE-2018-19458 was published on 2018-11-22 and last updated on 2026-06-17.

CVE-2018-19458

CVE-2018-19458 is a high-severity vulnerability in Php-proxy with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 33% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 33% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Php-proxy
Published: 2018-11-22
Last modified: 2026-06-17

Description

In PHP Proxy 3.0.3, any user can read files from the server without authentication due to an index.php?q=file:/// LFI URI, a different vulnerability than CVE-2018-19246.

Frequently asked questions

What is CVE-2018-19458?: In PHP Proxy 3.0.3, any user can read files from the server without authentication due to an index.php?q=file:/// LFI URI, a different vulnerability than CVE-2018-19246.
How severe is CVE-2018-19458?: CVE-2018-19458 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-19458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 33% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19458?: CVE-2018-19458 affects Php-proxy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-19458 published?: CVE-2018-19458 was published on 2018-11-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:php-proxy:php-proxy:3.0.3:*:*:*:*:*:*:*

More vulnerabilities in Php-proxy

CVE-2018-19784 — High (CVSS 7.5): The str_rot_pass function in vendor/atholn1600/php-proxy/src/helpers.php in PHP-Proxy 5.1.0 uses weak cryptography,…
CVE-2018-19246 — High (CVSS 7.5): PHP-Proxy 5.1.0 allows remote attackers to read local files if the default "pre-installed version" (intended for users…
CVE-2018-19785 — Medium (CVSS 6.1): PHP-Proxy through 5.1.0 has Cross-Site Scripting (XSS) via the URL field in index.php.

All CVEs affecting Php-proxy →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →