TinyMCE up to 6.8.0 iFrame cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in TinyMCE up to 6.8.0. This vulnerability affects unknown code of the component iFrame Handler. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2024-29203. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in TinyMCE up to 6.8.0. It has been rated as problematic. This issue affects an unknown code of the component iFrame Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

TinyMCE is an open source rich text editor. A cross-site scripting (XSS) vulnerability was discovered in TinyMCE’s content insertion code. This allowed `iframe` elements containing malicious code to execute when inserted into the editor. These `iframe` elements are restricted in their permissions by same-origin browser protections, but could still trigger operations such as downloading of malicious assets. This vulnerability is fixed in 6.8.1.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-29203 since 03/18/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 6.8.1 eliminates this vulnerability.

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Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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 6.8.1
Patch: github.com

Timelineinfo

03/18/2024 🔍
03/26/2024 +8 days 🔍
03/26/2024 +0 days 🔍
09/02/2025 +525 days 🔍

Sourcesinfo

Product: github.com

Advisory: bcdea2ad14e3c2cea40743fb48c63bba067ae6d1
Status: Confirmed

CVE: CVE-2024-29203 (🔍)
GCVE (CVE): GCVE-0-2024-29203
GCVE (VulDB): GCVE-100-257975

Entryinfo

Created: 03/26/2024 14:38
Updated: 09/02/2025 19:49
Changes: 03/26/2024 14:38 (62), 05/04/2024 21:27 (2), 05/04/2024 21:41 (1), 04/13/2025 07:29 (4), 09/02/2025 19:49 (12)
Complete: 🔍
Cache ID: 216::103

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