CVE-2022-0951: File Upload Restriction Bypass leading to Stored XSS Vulnerability in GitHub repository star7th/showdoc prior

Q: How do I fix CVE-2022-0951?

showdoc: upgrade to newer than 2.10.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-0951 being exploited?

CVE-2022-0951 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-0951 affect?

CVE-2022-0951 affects showdoc. Severity is medium (CVSS 6.1). File Upload Restriction Bypass leading to Stored XSS Vulnerability in GitHub repository star7th/showdoc prior to 2.10.4.

Q: How urgent is CVE-2022-0951?

Priority 41/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2022-0951 is a medium-severity flaw (CVSS 6.1) affecting showdoc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

File Upload Restriction Bypass leading to Stored XSS Vulnerability in GitHub repository star7th/showdoc prior to 2.10.4.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-434, CWE-79
Published	2022-03-15
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: showdoc

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-03-15 09:15 UTCPublished CVE record published
2026-06-17 04:21 UTCUpdated Record last modified

showdoc showdoc UPGRADE

Affected: <= 2.10.3

Fixed in: newer than 2.10.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy showdoc || rpm -q showdoc || showdoc --version

2. UPGRADE to newer than 2.10.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade showdoc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade showdoc

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-0951?

showdoc: upgrade to newer than 2.10.3. Exact commands for each OS are on this page.

Is CVE-2022-0951 being exploited?

CVE-2022-0951 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-0951 affect?

CVE-2022-0951 affects showdoc. Severity is medium (CVSS 6.1). File Upload Restriction Bypass leading to Stored XSS Vulnerability in GitHub repository star7th/showdoc prior to 2.10.4.

How urgent is CVE-2022-0951?

Priority 41/100. Public exploit reference

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2022-1034 HIGH 7.2 UPGRADE There is a Unrestricted Upload of File vulnerability in ShowDoc v2.10.3 in GitHub repository star7th/showdoc p
CVE-2022-0967 MEDIUM 5.4 UPGRADE Stored XSS via File Upload in star7th/showdoc in star7th/showdoc in GitHub repository star7th/showdoc prior to
CVE-2022-0966 MEDIUM 5.4 UPGRADE Stored XSS via File Upload in star7th/showdoc in GitHub repository star7th/showdoc prior to 2.4.10.
CVE-2022-0965 MEDIUM 5.4 UPGRADE Stored XSS viva .ofd file upload in GitHub repository star7th/showdoc prior to 2.10.4.
CVE-2022-0964 MEDIUM 5.4 UPGRADE Stored XSS viva .webmv file upload in GitHub repository star7th/showdoc prior to 2.10.4.

References

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