CVE-2026-47759

mediumpriority · track · 22EPSS 0.003 · 20 %ileDEEUFRUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.28% (20th) EPSS

CVSS 5.4 · medium

Is it mine?

34 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-22

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–8.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.18.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · ENISA EU

v3.18.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · security-advisories@github.comexploitability 2.3 · impact 5.8

v3.18.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Nsecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79US

affected products (34)

Products and version ranges known to be affected.

Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Atlassian Bamboo≤ Data Center LTS <12.1.11cert_bundDE
Atlassian Bamboo≤ Data Center LTS <10.2.23cert_bundDE
Atlassian Bitbucket≤ Data Center LTS <10.2.6cert_bundDE
Atlassian Bitbucket≤ Data Center LTS <10.2.7cert_bundDE
Atlassian Bitbucket≤ Data Center LTS <9.4.24cert_bundDE
Atlassian Bitbucket≤ Data Center <10.4.2cert_bundDE
Atlassian Bitbucket≤ Data Center <10.4.3cert_bundDE
Atlassian Confluence≤ Data Center LTS <9.2.25cert_bundDE
Atlassian Confluence≤ Data Center LTS <10.2.17cert_bundDE
Atlassian Confluence≤ Data Center LTS <10.2.18cert_bundDE
Atlassian Confluence≤ Data Center LTS <9.2.24cert_bundDE
Atlassian Crucible< 4.9.14cert_bundDE
Atlassian Fisheye< 4.9.14cert_bundDE
Atlassian Jira≤ Data Center LTS <11.3.11cert_bundDE
Atlassian Jira≤ Service Management Data Center LTS <10.3.25cert_bundDE
Atlassian Jira≤ Service Management Data Center LTS <11.3.11cert_bundDE
Atlassian Jira≤ Data Center LTS <10.3.25cert_bundDE
tinymce tinymce≤ 6.0.0, ≤ 6.8.6enisa_euvdEU
tinymce tinymce≤ < 5.11.1enisa_euvdEU

showing 20 of 34

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3376Atlassian Bamboo, Bitbucket, Confluence, Fisheye/Crucible, Jira Software und Jira Service Management: Mehrere SchwachstellenDeutsch2026-09-15csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Atlassian Bamboo, Bitbucket, Confluence, Fisheye/Crucible, Jira Software und Jira Service Management ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, serverseitige Request-Forgery-Angriffe (SSRF) durchzuführen, Cross-Site-Scripting-Angriffe zu starten, sensible Informationen offenzulegen, Daten zu manipulieren oder Denial-of-Service-Zustände herbeizuführen.
GHSA-q742-qvgc-gc2fTinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes2026-06-05ghsa · osvUS
### Impact 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. ### Patches Patched by stripping unsafe data-mce-* attributes during parsing. Users should upgrade to the latest patched versions (5 LTS, 7.x, 8.x). ### Workarounds No official workaround available. ### Fix To avoid this vulnerability: Upgrade to TinyMCE 8.5.1 or higher. Upgrade to TinyMCE 7.9.3 or higher. Upgrade to TinyMCE 5.11.1 LTS or higher for TinyMCE 5.x (only available as part of commercial [long-term support](https://www.tiny.cloud/long-term-support/) contract). ### Acknowledgements Tiny thanks [Tadi Kadango](https://github.com/mtrill47) ([website](https://tadiwakadango.com/)) and [Ivan Babenko](https://github.com/he1d3n) for their help identifying this vulnerability.
CERTFR-2026-AVI-1318Multiples vulnérabilités dans MoodleFrançais2026-10-15vendor · certfrFR

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv certfr NVD CVE.org MITRE

published 2026-05-28modified 2026-06-17

references (10)

External citations — patches, advisories, analysis.

scry

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