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CVE-2021-4103Cross-site Scripting (XSS) - Stored in vanessa219/vditor
- 6.8MediumCVSS base score
- 0.66%Exploitation in 30 daysEPSS · top 48% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.
Timeline
ID reserved
By @huntrdev
- 42 days later
· 42 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| @huntrdevCNA (assigner) | 3.0 | Medium6.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L |
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.66% · top 48% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
vanessa219 · vanessa219/vditor
- affected unspecified – < 1.0.34
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References
References2
- https://huntr.dev/bounties/67b980af-7357-4879-9448-a926c6474225 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-0572 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-cxm3-v4mv-6mh8 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-4103)Record last updated .