CVE-2018-18426

HIGH 8.8CVE-2018-18426 · Published 17/10/2018 · updated 17/06/2026

In short

CVE-2018-18426 is a HIGH (CVSS 8.8) vulnerability affecting s-cms (s-cms).
Chance of exploitation in the next 30 days (EPSS): 2.4%, higher than 84.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
s-cms s-cms	`= 3.0`	No fix yet

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.

References

ttk7.cn/post-93.html · Exploit
s-cms.cn/update.html · Vendor Advisory

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