How severe is CVE-2018-1000533?

CVE-2018-1000533 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-2018-1000533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 73% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000533?

CVE-2018-1000533 affects Gitlist. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000533?

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-2018-1000533 published?

CVE-2018-1000533 was published on 2018-06-26 and last updated on 2026-06-17.

CVE-2018-1000533

CVE-2018-1000533 is a critical-severity vulnerability in Gitlist with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 73% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 73% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Gitlist
Published: 2018-06-26
Last modified: 2026-06-17

Description

klaussilveira GitList version <= 0.6 contains a Passing incorrectly sanitized input to system function vulnerability in `searchTree` function that can result in Execute any code as PHP user. This attack appear to be exploitable via Send POST request using search form. This vulnerability appears to have been fixed in 0.7 after commit 87b8c26b023c3fc37f0796b14bb13710f397b322.

Frequently asked questions

What is CVE-2018-1000533?: klaussilveira GitList version <= 0.6 contains a Passing incorrectly sanitized input to system function vulnerability in `searchTree` function that can result in Execute any code as PHP user. This attack appear to be exploitable via Send POST request using search form. This vulnerability appears to have been fixed in 0.7 after commit 87b8c26b023c3fc37f0796b14bb13710f397b322.
How severe is CVE-2018-1000533?: CVE-2018-1000533 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-2018-1000533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 73% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000533?: CVE-2018-1000533 affects Gitlist. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000533?: 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-2018-1000533 published?: CVE-2018-1000533 was published on 2018-06-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gitlist:gitlist:*:*:*:*:*:*:*:*

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