CVE-2018-18783

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

XSS was discovered in SEMCMS V3.4 via the semcms_remail.php?type=ok umail parameter.

CVSS v3
6.1
EG Score
6.1(medium)
EPSS
52.2%
KEV
Not listed

Published

October 29, 2018

Last Modified

November 21, 2024

References (3)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Frequently asked(5)

What is CVE-2018-18783?
CVE-2018-18783 is a medium vulnerability published on October 29, 2018. XSS was discovered in SEMCMS V3.4 via the semcms_remail.php?type=ok umail parameter.
When was CVE-2018-18783 disclosed?
CVE-2018-18783 was first published in the National Vulnerability Database on October 29, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-18783 actively exploited?
CVE-2018-18783 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-18783?
CVE-2018-18783 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2018-18783?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-18783, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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