SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.
CVE-2018-19057
MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence
Score 6.1 from GitHub Security Advisory published 2018-11-21. NVD baseline CVSS 6.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.8%CVSS: 6.1Exploit: None knownExposed services: —
Fix status could not be loaded just now — check the vendor's advisory; until a fix is applied, use a compensating control (WAF / firewall / segmentation).
Internet exposure
The internet-exposure footprint is temporarily unavailable — the KEV-Exposure radar's record for this CVE could not be loaded just now. That is not a finding of zero exposed services; please retry shortly.
- CVSS v3
- 6.1
- EG Score
- 6.1MEDIUMmedium confidence
- EG Risk
- 32EG Risk 32/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation1% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: The fix status could not be loaded just now. Check the vendor's advisory for a fixed version and apply it within your standard update timelines at low or medium mission impact and sooner than that at high; if none is published, restrict network exposure of the affected system or apply the vendor's mitigation. - EPSS PROB
- 0.8%
- EPSS %ILE
- 54th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
The fix status could not be loaded just now. Check the vendor's advisory for a fixed version and apply it within your standard update timelines at low or medium mission impact and sooner than that at high; if none is published, restrict network exposure of the affected system or apply the vendor's mitigation.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
November 7, 2018
Last Modified
November 21, 2024
Advisory Details
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References (2)
- cve@mitrehttps://github.com/sparksuite/simplemde-markdown-editor/issues/721
- af854a3a-2127-422b-91ae-364da2661108https://github.com/sparksuite/simplemde-markdown-editor/issues/721
Vendor Advisories for CVE-2018-19057
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Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2018-19057?
CVE-2018-19057 is a medium vulnerability published on November 7, 2018. SimpleMDE 1.11.2 has XSS via an onerror attribute of a crafted IMG element, or via certain input with [ and ( characters, which is mishandled during construction of an A element.
When was CVE-2018-19057 disclosed?
CVE-2018-19057 was first published on November 7, 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-2018-19057 actively exploited?
CVE-2018-19057 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.8% probability of exploitation in the next 30 days (54th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2018-19057?
CVE-2018-19057 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2018-19057?
EchelonGraph could not load the fix status for CVE-2018-19057 just now. Check the vendor's advisory for a fixed version; if none is published, restrict network exposure of the affected system or apply the vendor's mitigation until one is.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2018-19057
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