CVE-2018-18740
CVE-2018-18740 is a medium-severity vulnerability in Sem-cms Semcms with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.8)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Sem-cms Semcms
- Published:
- Last modified:
Description
An XSS issue was discovered in SEMCMS 3.4 via the first input field to the admin/SEMCMS_Link.php?lgid=1 URI.
Frequently asked questions
- What is CVE-2018-18740?
- An XSS issue was discovered in SEMCMS 3.4 via the first input field to the admin/SEMCMS_Link.php?lgid=1 URI.
- How severe is CVE-2018-18740?
- CVE-2018-18740 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2018-18740 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18740?
- CVE-2018-18740 affects Sem-cms Semcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-18740?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-18740 published?
- CVE-2018-18740 was published on 2018-10-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:sem-cms:semcms:3.4:*:*:*:*:*:*:*
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