How severe is CVE-2020-17480?

CVE-2020-17480 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-17480 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-17480?

CVE-2020-17480 affects Tiny Tinymce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-17480?

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

When was CVE-2020-17480 published?

CVE-2020-17480 was published on 2020-08-10 and last updated on 2026-06-17.

CVE-2020-17480

CVE-2020-17480 is a medium-severity vulnerability in Tiny Tinymce with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tiny Tinymce
Published: 2020-08-10
Last modified: 2026-06-17

Description

TinyMCE before 4.9.7 and 5.x before 5.1.4 allows XSS in the core parser, the paste plugin, and the visualchars plugin by using the clipboard or APIs to insert content into the editor.

Frequently asked questions

What is CVE-2020-17480?: TinyMCE before 4.9.7 and 5.x before 5.1.4 allows XSS in the core parser, the paste plugin, and the visualchars plugin by using the clipboard or APIs to insert content into the editor.
How severe is CVE-2020-17480?: CVE-2020-17480 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-17480 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-17480?: CVE-2020-17480 affects Tiny Tinymce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-17480?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-17480 published?: CVE-2020-17480 was published on 2020-08-10 and last updated on 2026-06-17.

References

Affected products (1)

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

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