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CVE-2026-45011

ApostropheCMS is an open-source Node.js content management system. Version 4.29.0 has a stored cross-site scripting vulnerability in the image widget functionality. A user with the Editor role can configure an image widget link to use a javascript: URL payload. Because editors have permission to publish pages, the malicious widget can be published to the live site. When another user, including an administrator or public visitor, clicks the affected image/link, arbitrary JavaScript executes in th
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9ae8176692b084bd6abf76085a450e0f0374760dddf2ce04b835c4f83ef0d725
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-116","description":"CWE-116: Improper Encoding or Escaping of Output","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"apostrophe","vendor":"apostrophecms","versions":[{"status":"affected","version":"= 4.29.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-116","description":"CWE-116: Improper Encoding or Escaping of Output","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/apostrophecms/apostrophe/releases/tag/apostrophe%404.29.0","tags":["x_refsource_MISC"],"url":"https://github.com/apostrophecms/apostrophe/releases/tag/apostrophe%404.29.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-5f64-7vfc-rcx6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/adp/0/references/0
{"name":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-5f64-7vfc-rcx6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-5f64-7vfc-rcx6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a655bc036df74056e2ee76875cab12a0ba7a9a23c527e7846d3ac844f98b48c · sha256:c1412a88a674fc94… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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