CVE-2026-45011

🗓️ 12 Jun 2026 20:43:18Reported by GitHub_MType

cve🔗 web.nvd.nist.gov👁 64 Views🌐 WEB

Stored cross site scripting via javascript link in image widget on ApostropheCMS enables editors to publish content.

Reporter	Title	Published	Views	Family All 16
Cvelist	CVE-2026-45011 Apostrophe has stored XSS via javascript: URL in Image Widget Link	12 Jun 202620:43	–	cvelist
EUVD	EUVD-2026-36567	12 Jun 202620:43	–	euvd
Github Security Blog	Apostrophe has stored XSS via javascript: URL in Image Widget Link	14 May 202618:27	–	github
Mend	CVE-2026-45011	12 Jun 202620:43	–	mend
NVD	CVE-2026-45011	12 Jun 202621:16	–	nvd
osv_ghsa	GHSA-5F64-7VFC-RCX6 Apostrophe has stored XSS via javascript: URL in Image Widget Link	14 May 202618:27	–	osv_ghsa
Patchstack	NPM: Apostrophe has stored XSS via javascript: URL in Image Widget Link	14 May 202618:27	–	patchstack
Positive Technologies	PT-2026-41153	14 May 202600:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2026-45011: Improper Neutralization of Input During Web Page Generation	12 Jun 202600:00	–	rapid7
Snyk	Improper Encoding or Escaping of Output	14 May 202618:27	–	snyk

Vulners

Node

apostrophecms apostrophecmsMatch4.29.0

[
  {
    "vendor": "apostrophecms",
    "product": "apostrophe",
    "versions": [
      {
        "version": "= 4.29.0",
        "status": "affected"
      }
    ]
  }
]

Source	Link
github	www.github.com/apostrophecms/apostrophe/releases/tag/apostrophe%404.29.0
github	www.github.com/apostrophecms/apostrophe/security/advisories/GHSA-5f64-7vfc-rcx6

Parameter	Position	Path	Description	CWE
javascript: URL	path	/image-widget-link	Stored XSS in the image widget functionality where an Editor can configure a link using a javascript: URL payload, which is then executed by visitors.	CWE-116, CWE-79

17 Jun 2026 10:51Current

5.5Medium risk

Vulners AI Score5.5

CVSS 3.17.3

EPSS0.00367

SSVC