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CVE-2021-4017
Cross-Site Request Forgery (CSRF) in star7th/showdoc
High7.3EPSS 0.62%
- Published
- Updated
- Reserved
- Assigned by
- @huntrdev
Description
showdoc is vulnerable to Cross-Site Request Forgery (CSRF)
Timeline
ID reserved
By @huntrdev
- 6 days later
· 6 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 | High7.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.62% · top 50% 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: High 7.3.
Weakness
Affected products
- affected unspecified – < v2.9.13
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistshowdoc/showdocGHSA-f77h-m9w2-vvg2 (opens in a new tab)
References (2)
- https://huntr.dev/bounties/1d8439e8-b3f7-40f8-8b30-f9cb05ff2bcd (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/star7th/showdoc/commit/654e871a3923e79076818a9a03533fe88222c871 (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)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-f77h-m9w2-vvg2 (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-2021-4017)Record last updated .