CVE-2025-34077

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under NVD CVSS v3. EPSS exploit probability: 9.9%, top 5% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Weaponized
10.0EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Metasploit, ssvc poc, epss top5pct, public exploit)
CISA-KEV: Not listedEPSS PROB: 15%CVSS: 10.0Exploit: Metasploit · ssvc poc · epss top5pct · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An authentication bypass vulnerability exists in the WordPress Pie Register plugin ≤ 3.7.1.4 that allows unauthenticated attackers to impersonate arbitrary users by submitting a crafted POST request to the login endpoint. By setting social_site=true and manipulating the user_id_social_site parameter, an attacker can generate a valid WordPress session cookie for any user ID, including administrators. Once authenticated, the attacker may exploit plugin upload functionality to install a malicious plugin containing arbitrary PHP code, resulting in remote code execution on the underlying server.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
86(Attend)
EG Risk 86/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity100% × 45%
Exploitation65% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
15%
EPSS %ILE
97%
KEV
Not listed

Published

July 9, 2025

Last Modified

April 15, 2026

Advisory Details (6)

Auto-updated Sep 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

WordPress Plugin Pie Register 3.7.1.4 - Admin Privilege Escalation (Unauthenticated) - PHP webapps Exploit

https://www.exploit-db.com/exploits/50395
generic

Pie Register – User Registration, Profiles & Content Restriction – WordPress plugin | WordPress.org

https://wordpress.org/plugins/pie-register/
generic

WordPress Plugin Pie Register ≤ 3.7.1.4 Authentication Bypass RCE | Advisories | VulnCheck

https://vulncheck.com/advisories/wordpress-pie-register-plugin-rce
generic

Create User Registration forms with WordPress Registration Plugin

https://pieregister.com/
generic

metasploit-framework/modules/exploits/unix/webapp/wp_pie_register_bypass_rce.rb at master · rapid7/metasploit-framework · GitHub

https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/wp_pie_register_bypass_rce.rb
generic

GitHub - GTSolutions/Pie-Register: Pie-Register Wordpress Plugin · GitHub

https://github.com/GTSolutions/Pie-Register

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 156 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-17 19:29 UTCEPSS rescore
  3. 2026-09-16 14:07 UTCEPSS rescore
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  1. 2026-08-19 17:03 UTCEPSS rescore
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  26. 2026-07-23 02:54 UTCEG score recompute
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  47. 2026-07-09 19:09 UTCEPSS rescore
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  50. 2026-07-06 16:27 UTCEPSS rescore
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  73. 2026-06-22 14:25 UTCEPSS rescore
  74. 2026-06-22 14:25 UTCEPSS rescore
  75. 2026-06-21 14:56 UTCEPSS rescore

Publicly available exploits

(5 references)

Working exploit code is in the public domain (1 Metasploit module) (2 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoC0xgh057r3c0n/CVE-2025-34077
    First seen Jul 28, 2025

    Poc for Unauthenticated Admin Session Hijack - Pie Register Plugin (≤ 3.7.1.4)

    Open source ↗
  • Exploit-DBEDB-52370
    First seen Jul 22, 2025

    Pie Register WordPress Plugin 3.7.1.4 - Authentication Bypass to RCE

    Open source ↗
  • GitHub PoCMrjHaxcore/CVE-2025-34077
    First seen Jul 9, 2025

    WordPress Pie Register ≤ 3.7.1.4 - Admin Privilege Escalation (Unauthenticated)

    Open source ↗
  • Nucleihttp/cves/2025/CVE-2025-34077.yaml
    First seen Jan 1, 2025

    WordPress Pie Register <= 3.7.1.4 - Authentication Bypass

    Open source ↗
  • Metasploitexploit/unix/webapp/wp_pie_register_bypass_rce✓ verified
    First seen Oct 8, 2021

    WordPress Plugin Pie Register Auth Bypass to RCE

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-34077?
CVE-2025-34077 is a critical vulnerability published on July 9, 2025. An authentication bypass vulnerability exists in the WordPress Pie Register plugin ≤ 3.7.1.4 that allows unauthenticated attackers to impersonate arbitrary users by submitting a crafted POST request to the login endpoint. By setting socialsite=true and manipulating the useridsocialsite parameter,…
When was CVE-2025-34077 disclosed?
CVE-2025-34077 was first published in the National Vulnerability Database on July 9, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-34077 actively exploited?
CVE-2025-34077 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15% probability of exploitation in the next 30 days, which ranks it in the top 3.4% of all scored CVEs.
What is the CVSS score of CVE-2025-34077?
CVE-2025-34077 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2025-34077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-34077, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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