CVE-2026-48788Published

Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing

cve-program · CVE-2026-48788

Published

remark42

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "umputun",
                    "product": "remark42",
                    "versions": [
                        {
                            "version": ">= 1.6.0, < 1.16.0",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-37511

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: Jun 16, 2026, 10:29:38 PM

dateUpdated: Jun 17, 2026, 1:20:11 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-2026-48788

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 · CWE-436

Original publisher date fields

published: 2026-06-17T13:20:43.490

lastModified: 2026-10-25T23:10:00.167

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

osv · GHSA-4c8j-mgm4-qqvp

Published

github.com/umputun/remark42

SEMVER · introduced 1.6.0 → fixed 1.16.0

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

osv · GO-2026-5804

Published

github.com/umputun/remark42

SEMVER · introduced 1.6.0 → fixed 1.16.0

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