GHSA-22g5-r2x5-97cxPublished

showdown - Stored XSS via Unescaped Table Header ID Attribute Injection

cve-program · CVE-2026-59710

Published

showdown

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "showdown",
                    "product": "showdown",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/showdown",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "2.1.0"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-41954

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jul 6, 2026, 9:15:45 PM

dateUpdated: Jul 7, 2026, 1:47:54 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-59710

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Deferred

Weakness classifications: CWE-79

Original publisher date fields

published: 2026-07-06T22:16:50.977

lastModified: 2026-07-07T13:57:49.473

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-22g5-r2x5-97cx

Published

showdown

npm

SEMVER · introduced 0 → last_affected 2.1.0

Original source record · Cite this exact observation · Complete original publisher JSON