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CVE-2018-1000533

83
FAUCET Score

CVE-2018-1000533 is a critical remote code execution vulnerability affecting klaussilveira GitList versions 0.6 and earlier. It stems from improper input sanitization in the searchTree function, allowing an unauthenticated attacker to execute arbitrary code as the PHP user by sending a crafted POST request. With a CVSS score of 9.8, this vulnerability poses a severe risk, enabling full compromise of confidentiality, integrity, and availability. While not listed in CISA KEV, public exploit modules exist for Metasploit and Nuclei, indicating readily available exploitation tools. Despite the high EPSS score and FAUCET Risk Score of 100, there is minimal community discussion or media coverage surrounding this flaw.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.6.0CPE matchmatch criteria
cpe:2.3:a:gitlist:gitlist:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
72.97%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: GitList v0.6.0 Argument Injection Vulnerability · Apr 26, 2018
Nuclei: CVE-2018-1000533 · Jun 15, 2021
This CVE's current EPSS score of 0.7297 is in the 98th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / klaussilveira/gitlist/commit/87b8c26b023c3fc37f0796b14bb13710f397b322
PatchThird Party Advisory
security.szurek.pl / exploit-bypass-php-escapeshellarg-escapeshellcmd.html
ExploitThird Party Advisory