CVE-2018-18841

MEDIUM 4.8CVE-2018-18841 · Published 30/10/2018 · updated 17/06/2026

In short

CVE-2018-18841 is a MEDIUM (CVSS 4.8) vulnerability affecting semcms (sem-cms).
Chance of exploitation in the next 30 days (EPSS): 0.53%, higher than 45.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
semcms sem-cms	`= 3.4`	No fix yet

XSS was discovered in SEMCMS PHP V3.4 via the SEMCMS_SeoAndTag.php?Class=edit&CF=SeoAndTag tag_indexkey parameter.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.