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CVE-2026-47759

TinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3ecc67ef650b6f7739086f7bbc476cc55c7f8efc1468bad57b4b78733821f253
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"tinymce","vendor":"tinymce","versions":[{"status":"affected","version":"< 5.11.1"},{"status":"affected","version":">= 6.0.0, <= 6.8.6"},{"status":"affected","version":">= 7.0.0, < 7.9.3"},{"status":"affected","version":">= 8.0.0, < 8.5.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c701838439482df48cf11983de57edd7398b9483ddd06f15fd3ed572663475fb · sha256:d90e70d2ac42f0ef… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c701838439482df48cf11983de57edd7398b9483ddd06f15fd3ed572663475fb · sha256:d90e70d2ac42f0ef… · /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:c701838439482df48cf11983de57edd7398b9483ddd06f15fd3ed572663475fb · sha256:d90e70d2ac42f0ef… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/tinymce/tinymce/security/advisories/GHSA-q742-qvgc-gc2f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c701838439482df48cf11983de57edd7398b9483ddd06f15fd3ed572663475fb · sha256:d90e70d2ac42f0ef… · /containers/cna/references/0
{"name":"https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview","tags":["x_refsource_MISC"],"url":"https://www.tiny.cloud/docs/tinymce/7/7.9.3-release-notes/#overview"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c701838439482df48cf11983de57edd7398b9483ddd06f15fd3ed572663475fb · sha256:d90e70d2ac42f0ef… · /containers/cna/references/1
{"name":"https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview","tags":["x_refsource_MISC"],"url":"https://www.tiny.cloud/docs/tinymce/8/8.5.1-release-notes/#overview"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c701838439482df48cf11983de57edd7398b9483ddd06f15fd3ed572663475fb · sha256:d90e70d2ac42f0ef… · /containers/cna/references/2

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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