CVE-2022-0940
Stored XSS due to Unrestricted File Upload in star7th/showdoc
Stored XSS due to Unrestricted File Upload in GitHub repository star7th/showdoc prior to v2.10.4.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Stored XSS due to Unrestricted File Upload in star7th/showdoc
Stored XSS due to Unrestricted File Upload in GitHub repository star7th/showdoc prior to v2.10.4.
- Record
CVE-2022-0940- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2022-1368
Stored XSS due to Unrestricted File Upload in GitHub repository star7th/showdoc prior to v2.10.4.
- Record
EUVD-2022-1368- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-82j4-vr25-x394
Cross-site Scripting in ShowDoc
ShowDoc is vulnerable to stored cross-site scripting due to unrestricted file upload in versions 2.10.3 and prior. A patch is available and anticipated to be part of version 2.10.4.
- Record
GHSA-82j4-vr25-x394- CVSS 3.1
- 5.4 Medium
CVSS: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
Stored XSS due to Unrestricted File Upload in GitHub repository star7th/showdoc prior to v2.10.4.
- Record
CVE-2022-0940- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Stored XSS due to Unrestricted File Upload in star7th/showdoc
Stored XSS due to Unrestricted File Upload in GitHub repository star7th/showdoc prior to v2.10.4.
- Record
CVE-2022-0940- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-82j4-vr25-x394
Cross-site Scripting in ShowDoc
ShowDoc is vulnerable to stored cross-site scripting due to unrestricted file upload in versions 2.10.3 and prior. A patch is available and anticipated to be part of version 2.10.4.
- Record
GHSA-82j4-vr25-x394- CVSS 3.1
- 5.4 Medium
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
showdoc/showdocPackagist |
through 2.10.3 | 2.10.4 |
showdoc/showdocPackagist |
before 2.10.4, plus listed versions v1.0.0v1.0.1v1.0.2v1.0.3v1.0.4 Show 45 moreShow lessv1.0.5v1.1.0v1.1.1v1.1.3v1.1.4v1.1.5v1.2.0v1.2.1v1.2.2v1.2.3v1.2.4v1.2.5v1.2.6v1.3.0v1.3.1v1.3.3v1.3.4v1.3.5v1.3.6v1.3.7v1.3.8v1.4.0v1.4.1v1.4.2v1.4.3v1.4.4v1.4.5v1.4.6v1.4.7v1.5.0v1.5.1v1.5.2v1.5.3v1.6.0v1.6.1v1.6.2v1.7.0v1.7.1v1.7.2v1.8.0v1.8.1v1.8.2v1.8.3v1.8.4v1.8.5 |
2.10.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-0940 is a medium vulnerability (CVSS 6.3) in Showdoc, published March 14, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 45th percentile. Fixed in showdoc/showdoc 2.10.4.
References
huntr.dev/bounties/856bd2e2-db4f-4b7d-9927-222261ae3782
github.com/star7th/showdoc/commit/78522520892d4e29cc94148c6ec84a204a607b73
nvd.nist.gov/vuln/detail/CVE-2022-0940
Left out here: 87 versions. The JSON record has them.