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CVE-2018-18426

s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted...

8.8 High

CVE-2018-18426 is a high vulnerability (CVSS 8.8) in S-cms, published October 17, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.45%, the 84th percentile. No source names a fixed version.

Severity
8.8 HighCVSS 3.0, NVD
Exploit chance
2.45%EPSS, 84th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted User-agent Disallow value in the robots.php txt parameter.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.45%Up 1.7 points since Apr 14, 2021
90%50%10%1%

Affected products

What each source reports

NVD Score used8.8

s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted User-agent Disallow value in the robots.php txt parameter.

Record
CVE-2018-18426
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
9.0 HighAV:N/AC:L/Au:S/C:C/I:C/A:C
Weakness
CWE-94
Updated
2026-11-02
CVE ListNo score

s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted User-agent Disallow value in the robots.php txt parameter.

Record
CVE-2018-18426
Updated
2026-11-02
EUVDEUVD-2018-10154No score

s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted User-agent Disallow value in the robots.php txt parameter.

Record
EUVD-2018-10154
Updated
2026-11-03
GitHub AdvisoriesGHSA-wqpr-r259-5jcx8.8

s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted...

s-cms 3.0 allows remote attackers to execute arbitrary PHP code by placing this code in a crafted User-agent Disallow value in the robots.php txt parameter.

Record
GHSA-wqpr-r259-5jcx
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-94
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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