CVE-2019-1010091: tinymce 4.7.11, 4.7.12 is affected by: CWE-79: Improper Neutralization of Input During Web Page Generation

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MEDIUM 6.1UPGRADE

CVE-2019-1010091 is a medium-severity flaw (CVSS 6.1) affecting tinymce. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-07-17
Last modified	2026-06-17

Publisher (CNA): DWF · Vendor: tiny

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-07-17 17:15 UTCPublished CVE record published
2026-06-17 02:09 UTCUpdated Record last modified

tiny tinymce UPGRADE

Affected: < 4.9.10 · >= 5.0.0 and < 5.2.2

Fixed in: 4.9.10, 5.2.2

Safe to downgrade to: a release before 5.0.0

1. Check installed version

apt-cache policy tinymce || rpm -q tinymce || tinymce --version

2. UPGRADE to 4.9.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade tinymce

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tinymce

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 5.0.0 (Debian / Ubuntu)

apt-cache madison tinymce sudo apt install tinymce=<VERSION_BEFORE_5.0.0> sudo apt-mark hold tinymce

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list tinymce sudo dnf downgrade tinymce-<VERSION_BEFORE_5.0.0> sudo dnf versionlock add tinymce

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-1010091?

tinymce: upgrade to 4.9.10, 5.2.2. Exact commands for each OS are on this page.

Is CVE-2019-1010091 being exploited?

CVE-2019-1010091 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-1010091 affect?

CVE-2019-1010091 affects tinymce. Severity is medium (CVSS 6.1). 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 con

How urgent is CVE-2019-1010091?

Priority 46/100. Public exploit reference

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CVE-2026-47760 HIGH 8.7 UPGRADE TinyMCE is an open source rich text editor
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References

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