TinyMCE prior 5.10.9/6.7.3 Undo/Redo cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in TinyMCE. The affected element is an unknown function of the component Undo/Redo. The manipulation results in cross site scripting. This vulnerability is identified as CVE-2023-48219. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in TinyMCE. It has been classified as problematic. Affected is an unknown functionality of the component Undo/Redo. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

TinyMCE is an open source rich text editor. A mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization according to the HTML standard. If such text nodes contain a special character reserved as an internal marker, they can be combined with other HTML patterns to form malicious snippets. These snippets pass the initial sanitisation layer when the content is parsed into the editor body, but can trigger XSS when the special internal marker is removed from the content and re-parsed. his vulnerability has been patched in TinyMCE versions 6.7.3 and 5.10.9. Users are advised to upgrade. There are no known workarounds for this vulnerability.

The weakness was released 11/15/2023. The advisory is available at github.com. This vulnerability is traded as CVE-2023-48219 since 11/13/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 5.10.9 or 6.7.3 eliminates this vulnerability.

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Productinfo

Name

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TinyMCE 5.10.9/6.7.3

Timelineinfo

11/13/2023 🔍
11/15/2023 +2 days 🔍
11/15/2023 +0 days 🔍
12/10/2023 +25 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-v626-r774-j7f8
Status: Confirmed

CVE: CVE-2023-48219 (🔍)
GCVE (CVE): GCVE-0-2023-48219
GCVE (VulDB): GCVE-100-245526

Entryinfo

Created: 11/15/2023 20:26
Updated: 12/10/2023 17:49
Changes: 11/15/2023 20:26 (47), 12/10/2023 17:42 (1), 12/10/2023 17:49 (1)
Complete: 🔍
Cache ID: 216::103

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