CVE-2020-17480: tiny tinymce Cross-site Scripting
CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2020-17480GHSA-27gm-ghr9-4v95
Published 10-08-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-17480 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in tiny tinymce. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 68.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
1.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 0 · Duplicates 1Timeline
- 10-08-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.25%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.25% on 20-09-2026
20-09-202620-10-2026
EPSS score1.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundTinymce
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Npm1 product
- tinymce< 4.9.7 | ≥ 5.0.0, < 5.1.4
Tiny1 product
- tinymce< 4.9.7 | ≥ 5.0.0, < 5.1.4
Ubuntu1 product
- tinymceAll versions (No fix recorded)
3 vendors · 3 products
References
7 links- github.com/tinymce/tinymce/security/advisories/GHSA-27gm-ghr9-4v95X Refsource MISCREPORTWEBExploitRelease NotesThird Party Advisory
- www.tiny.cloud/docs/release-notes/release-notes514/X Refsource MISCREPORTWEBRelease NotesVendor Advisory
- github.com/tinymce/tinymcePACKAGE