CVE-2022-0964

Stored XSS viva .webmv file upload in star7th/showdoc

8.0 HighFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.84%Unchanged since Mar 16, 2022

What each source reports

CVE List Score used 8.0

Stored XSS viva .webmv file upload in star7th/showdoc

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

Record: CVE-2022-0964
CVSS 3.0: 8.0 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2022-1585 8.0

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

Record: EUVD-2022-1585
CVSS 3.0: 8.0 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xm3x-787m-p66r 5.4

Cross-site Scripting in ShowDoc

ShowDoc prior to 2.10.4 is vulnerable to stored cross-site scripting via .webmv file upload.

Record: GHSA-xm3x-787m-p66r
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.4

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

Record: CVE-2022-0964
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0: 8.0 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 8.0

Stored XSS viva .webmv file upload in star7th/showdoc

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

Record: CVE-2022-0964
CVSS 3.0: 8.0 HighCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-xm3x-787m-p66r 5.4

Cross-site Scripting in ShowDoc

ShowDoc prior to 2.10.4 is vulnerable to stored cross-site scripting via .webmv file upload.

Record: GHSA-xm3x-787m-p66r
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`showdoc/showdoc` Packagist	before 2.10.4	2.10.4
`showdoc/showdoc` Packagist	before 2.10.4, plus listed versions v1.0.0v1.0.1v1.0.2v1.0.3v1.0.4 Show 45 moreShow less v1.0.5v1.1.0v1.1.1v1.1.3v1.1.4v1.1.5v1.2.0v1.2.1v1.2.2v1.2.3v1.2.4v1.2.5v1.2.6v1.3.0v1.3.1v1.3.3v1.3.4v1.3.5v1.3.6v1.3.7v1.3.8v1.4.0v1.4.1v1.4.2v1.4.3v1.4.4v1.4.5v1.4.6v1.4.7v1.5.0v1.5.1v1.5.2v1.5.3v1.6.0v1.6.1v1.6.2v1.7.0v1.7.1v1.7.2v1.8.0v1.8.1v1.8.2v1.8.3v1.8.4v1.8.5	2.10.4

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-0964 is a high vulnerability (CVSS 8.0) in Showdoc, published March 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 57th percentile. Fixed in showdoc/showdoc 2.10.4.

References

This page doesn't list everything

Left out here: 87 versions. The JSON record has them.