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TI-2019-15973 Aliases CVE-2019-1010091GHSA-c78w-2gw7-gjv3

Cross-site scripting in tinymce

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

tinymce 4.7.11, 4.7.12 is affected by: CWE-79: Improper Neutralization of Input During Web Page Generation. The impact is: JavaScript code execution. The component is: Media element. The attack vector is: The victim must paste malicious content to media element's embed tab.

Why it matters now

EPSS 0.01917 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed tinymce (npm): 4.9.10, 5.2.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
tinymcetinymce4.7.11, 4.7.12—No fix listedCNA
—tinymce (npm)before 4.9.104.9.10Patch availableGHSA-c78w-2gw7-gjv3
—tinymce (npm)5.0.0 to before 5.2.25.2.2Patch availableGHSA-c78w-2gw7-gjv3
  • tinymce Vendortinymce Affected 4.7.11, 4.7.12 Fixed in — No fix listed CNA
  • tinymce (npm) Vendor— Affected before 4.9.10 Fixed in 4.9.10 Patch available GHSA-c78w-2gw7-gjv3
  • tinymce (npm) Vendor— Affected 5.0.0 to before 5.2.2 Fixed in 5.2.2 Patch available GHSA-c78w-2gw7-gjv3

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*before 4.9.10; 5.0.0 to before 5.2.2VulnerableTiny
  • cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:* Versions before 4.9.10; 5.0.0 to before 5.2.2 Vulnerable ·Tiny

Remediation

  • Fix · GHSA-c78w-2gw7-gjv3 tinymce (npm) Fixed in 4.9.10 Advisory →
  • Fix · GHSA-c78w-2gw7-gjv3 tinymce (npm) Fixed in 5.2.2 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1010091
  2. 2026-10-03 Alias added: GHSA-c78w-2gw7-gjv3

References

Exploit 1

Advisory 1

Other 1

  • TI-2011-04153 Static code injection vulnerability in inc/function.base.php in Ajax File and Image… CVSS 2.0HIGH 7.5
  • TI-2026-81439 Cross-site scripting in TinyMCE media plugin via data-mce-object CVSS 4.0HIGH 8.5
  • TI-2026-35259 TinyMCE Cross-Site Scripting (XSS) vulnerability through `mce:protected` comments CVSS 3.1HIGH 8.7
  • TI-2026-35258 TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` injection CVSS 3.1HIGH 8.7
  • TI-2026-35256 TinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes CVSS 3.1HIGH 8.7
  • TI-2026-35257 TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs CVSS 3.1HIGH 8.7
See all 20 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences