How severe is CVE-2018-11031?

CVE-2018-11031 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11031 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11031?

CVE-2018-11031 affects Gouguoyin Phprap. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11031?

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

When was CVE-2018-11031 published?

CVE-2018-11031 was published on 2018-05-14 and last updated on 2026-06-17.

CVE-2018-11031

CVE-2018-11031 is a critical-severity vulnerability in Gouguoyin Phprap with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Gouguoyin Phprap
Published: 2018-05-14
Last modified: 2026-06-17

Description

application/home/controller/debug.php in PHPRAP 1.0.4 through 1.0.8 has SSRF via the /debug URI, as demonstrated by an api[url]=file:////etc/passwd&api[method]=get POST request.

Frequently asked questions

What is CVE-2018-11031?: application/home/controller/debug.php in PHPRAP 1.0.4 through 1.0.8 has SSRF via the /debug URI, as demonstrated by an api[url]=file:////etc/passwd&api[method]=get POST request.
How severe is CVE-2018-11031?: CVE-2018-11031 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11031 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11031?: CVE-2018-11031 affects Gouguoyin Phprap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11031?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-11031 published?: CVE-2018-11031 was published on 2018-05-14 and last updated on 2026-06-17.

References

https://github.com/gouguoyin/phprap/issues/89

Affected products (1)

cpe:2.3:a:gouguoyin:phprap:*:*:*:*:*:*:*:*

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