Description
Member Login Script 3.3 contains a client-side desynchronization vulnerability that allows attackers to manipulate HTTP request handling by exploiting Content-Length header parsing. Attackers can send crafted POST requests with smuggled secondary requests to potentially bypass server-side request processing controls.
Published: 2025-12-15
Score: 7.3 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

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Tracking

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Advisories

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History

Tue, 16 Dec 2025 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Phpjabbers
Phpjabbers member Login Script
Vendors & Products Phpjabbers
Phpjabbers member Login Script

Mon, 15 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 15 Dec 2025 20:45:00 +0000

Type Values Removed Values Added
Description Member Login Script 3.3 contains a client-side desynchronization vulnerability that allows attackers to manipulate HTTP request handling by exploiting Content-Length header parsing. Attackers can send crafted POST requests with smuggled secondary requests to potentially bypass server-side request processing controls.
Title Member Login Script 3.3 Client-Side Request Desynchronization Vulnerability
Weaknesses CWE-444
References
Metrics cvssV4_0

{'score': 7.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Phpjabbers Member Login Script
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-07T14:07:05.044Z

Reserved: 2025-12-13T14:25:04.999Z

Link: CVE-2023-53878

cve-icon Vulnrichment

Updated: 2025-12-15T21:40:19.308Z

cve-icon NVD

Status : Deferred

Published: 2025-12-15T21:15:50.563

Modified: 2026-04-15T00:35:42.020

Link: CVE-2023-53878

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-16T20:45:33Z

Weaknesses