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CVE-2021-3683
Cross-Site Request Forgery (CSRF) in star7th/showdoc
Medium5.4EPSS 0.41%
- Published
- Updated
- Reserved
- Assigned by
- @huntrdev
Description
showdoc is vulnerable to Cross-Site Request Forgery (CSRF)
Timeline
ID reserved
By @huntrdev
- 3 months later
· 3 months 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 | Medium5.4 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.41% · top 64% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
Affected products
- affected unspecified – ≤ 2.9.12
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistshowdoc/showdocGHSA-x5jp-9fmm-m9pf (opens in a new tab)
References (2)
- https://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351 (opens in a new tab)x_refsource_MISCx_transferred
- https://huntr.dev/bounties/063a339a-5d78-40d6-a96a-6716960e8134 (opens in a new tab)x_refsource_CONFIRMx_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)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-x5jp-9fmm-m9pf (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-3683)Record last updated .