| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2026-48788 | 16 Jun 202623:58 | – | circl |
 | CVE-2026-48788 Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing | 16 Jun 202622:29 | – | cvelist |
 | EUVD-2026-37511 | 26 Jun 202619:26 | – | euvd |
 | Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing | 26 Jun 202619:26 | – | github |
 | CVE-2026-48788 | 16 Jun 202622:29 | – | mend |
 | CVE-2026-48788 | 17 Jun 202613:20 | – | nvd |
 | GHSA-4C8J-MGM4-QQVP Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing | 26 Jun 202619:26 | – | osv_ghsa |
 | GO-2026-5804 Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing in github.com/umputun/remark42 | 7 Jul 202615:26 | – | osv_go |
 | OPENSUSE-SU-2026:21483-1 Security update for govulncheck-vulndb | 30 Jul 202609:09 | – | osv_opensuse |
 | PT-2026-50130 | 16 Jun 202600:00 | – | ptsecurity |
10
[
{
"vendor": "umputun",
"product": "remark42",
"versions": [
{
"version": ">= 1.6.0, < 1.16.0",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| url | path | /proxy | The Remark42 image proxy fetches an arbitrary remote URL. An attacker can provide a URL that returns a Content-Type of image/png but contains an HTML/JavaScript body, leading to XSS when the proxy re-serves the content with a sniffed Content-Type of text/html. | CWE-436, CWE-79 |
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17 Jun 2026 16:28Current
7.7High risk
Vulners AI Score7.7
CVSS 38.2
EPSS0.00406
SSVC