What’s Vulnerable › Vulnerabilities

CVE-2018-18840

• Severity: medium (CVSS 5.4 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-10-30 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• SEMCMS: 3.4

References

• https://github.com/m3lon/XSS-Expoit/blob/master/SEMCMS%20Stored%20XSS%20Vulnerability.md
• https://github.com/m3lon/XSS-Expoit/blob/master/SEMCMS%20Stored%20XSS%20Vulnerability.md

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