Stored XSS viva .properties file upload in star7th/showdoc

published 2022-03-14 4 y ago modified 2026-06-17 4 mo ago also GHSA-rphc-h572-2x9f , EUVD-2022-1535

cvss: 9.0; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

Stored XSS viva .properties file upload in GitHub repository star7th/showdoc prior to 2.10.4.

Patch / fix

fixed in 2 links 1

packagist showdoc/showdoc 2.10.4
star7th star7th/showdoc 2.10.4

github.com/star7th/showdoc@92bc6a8 commit

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/462cd8a7-b1a9-4e93-af71-b56ba1d7ad4e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	9.0	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub	3.0	9.0	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	showdoc/showdoc	<2.10.4	2.10.4

Affected products

star7th star7th/showdoc

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type
CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /star7th/showdoc/commit/92bc6a83a3a60e01a0d2effb98ab47d8d7eab28f
web, patch, third-party-advisory
huntr.dev /bounties/462cd8a7-b1a9-4e93-af71-b56ba1d7ad4e
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-0960
advisory
github.com /star7th/showdoc
package

Sources

CVE List CVE-2022-0960
GitHub Advisory GHSA-rphc-h572-2x9f
NVD CVE-2022-0960

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary