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CVE-2025-64501

ProsemirrorToHtml is a JSON converter which takes ProseMirror-compatible JSON and outputs HTML. In versions 0.2.0 and below, the `prosemirror_to_html` gem is vulnerable to Cross-Site Scripting (XSS) attacks through malicious HTML attribute values. While tag content is properly escaped, attribute values are not, allowing attackers to inject arbitrary JavaScript code. Applications that use `prosemirror_to_html` to convert ProseMirror documents to HTML, user-generated ProseMirror content, and end u
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:91d1e5db1ea5501ff20a4ec30260c98f3157fdfd888647ac1e28b3c2b833589b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"prosemirror_to_html","vendor":"etaminstudio","versions":[{"status":"affected","version":"< 0.2.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:79320a3ff3a53d9ed5fc6ed7997a3f3193204f33e95390885284b78c840cdfca · sha256:83cc1dc8adb9dd83… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:79320a3ff3a53d9ed5fc6ed7997a3f3193204f33e95390885284b78c840cdfca · sha256:83cc1dc8adb9dd83… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"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:v2:79320a3ff3a53d9ed5fc6ed7997a3f3193204f33e95390885284b78c840cdfca · sha256:83cc1dc8adb9dd83… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/etaminstudio/prosemirror_to_html/commit/4d59f94f550bcabeec30d298791bbdd883298ad8","tags":["x_refsource_MISC"],"url":"https://github.com/etaminstudio/prosemirror_to_html/commit/4d59f94f550bcabeec30d298791bbdd883298ad8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:79320a3ff3a53d9ed5fc6ed7997a3f3193204f33e95390885284b78c840cdfca · sha256:83cc1dc8adb9dd83… · /containers/cna/references/1
{"name":"https://github.com/etaminstudio/prosemirror_to_html/security/advisories/GHSA-52c5-vh7f-26fx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/etaminstudio/prosemirror_to_html/security/advisories/GHSA-52c5-vh7f-26fx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:79320a3ff3a53d9ed5fc6ed7997a3f3193204f33e95390885284b78c840cdfca · sha256:83cc1dc8adb9dd83… · /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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