How severe is CVE-2024-29203?

CVE-2024-29203 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-29203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-29203?

CVE-2024-29203 affects Tiny Tinymce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-29203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-29203 have an EU (EUVD) identifier?

Yes. CVE-2024-29203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0810.

When was CVE-2024-29203 published?

CVE-2024-29203 was published on 2024-03-26 and last updated on 2026-06-17.

CVE-2024-29203

CVE-2024-29203 is a medium-severity vulnerability in Tiny Tinymce with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0810
Weakness: CWE-79
Affected product: Tiny Tinymce
Published: 2024-03-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-29203?: 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.
How severe is CVE-2024-29203?: CVE-2024-29203 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-29203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-29203?: CVE-2024-29203 affects Tiny Tinymce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-29203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-29203 have an EU (EUVD) identifier?: Yes. CVE-2024-29203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0810.
When was CVE-2024-29203 published?: CVE-2024-29203 was published on 2024-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*

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