CVE-2022-0937: Cross-site Scripting in ShowDoc

medium Affects showdoc/showdoc. Feed 2026.10.29.1, updated 2026-10-28; published 2022-03-15; advisory modified 2023-11-08.

Cross-site Scripting in ShowDoc

Package: showdoc/showdoc Composer
Affected versions: <2.10.4
Fixed in: 2.10.4
Severity: medium CVSS 5.4
Exploitation: not on CISA KEV · EPSS 1% (45.7th percentile)
Published: 2022-03-15
Source: osv.dev

References

CWE-79

NVD record showdoc/showdoc advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2021-36440 critical Unrestricted File Upload in ShowDoc v2.9.5 same package: showdoc/showdoc
CVE-2022-0967 medium Stored Cross-site Scripting in showdoc same package: showdoc/showdoc
CVE-2025-0520 critical ShowDoc unrestricted file upload vulnerability same package: showdoc/showdoc
CVE-2022-1034 high Unrestricted Upload of File with Dangerous Type in ShowDoc same package: showdoc/showdoc
CVE-2022-0362 medium SQL Injection in showdoc same package: showdoc/showdoc
CVE-2021-41745 critical Showdoc File Upload Vulnerability same package: showdoc/showdoc