EUVD-2026-71745
GHSA-m55p-q562-vrmq
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Config-persisted PHP injection realistically needs a member/settings-write capability (PR:L) and control over how input lands in config (AC:H); once achieved it yields full RCE, so C/I/A:H.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
5DescriptionCVE.org
An issue in esoTalk v.1.0.0g4 allows a remote attacker to execute arbitrary code via the core/models/ETMemberModel.class.php, core/controllers/ETMemberController.class.php, and core/lib/ET.class.php components
AnalysisAI
Remote code execution in esoTalk v1.0.0g4 arises from configuration comment injection that allows attacker-controlled input reaching ETMemberModel, ETMemberController and ET.class.php to be persisted into a PHP configuration file and subsequently interpreted as code (CWE-94). Documented only in a third-party Notion writeup with no public exploit tool; EPSS is low at 0.19% (9th percentile). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires reaching the configuration-writing path in esoTalk 1.0.0g4 (via the ETMemberController/ETMemberModel/ET.class.php components) with input that survives into config/config.php and breaks out of its comment/string context - i.e., the target must be a running esoTalk 1.0.0g4 instance whose config file is web-server-writable. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The supplied CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H = 9.8) portrays trivial unauthenticated network RCE, but this conflicts with the mechanism: writing PHP into a persisted configuration file usually requires the ability to change a setting that is stored in config, which typically implies an authenticated or administrative action - so PR:N and AC:L are likely overstated and should be verified against the actual injection sink. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch identified at time of analysis - esoTalk is discontinued, so the primary recommendation is to migrate off esoTalk 1.0.0g4 to a maintained forum platform. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all esoTalk v1.0.0g4 installations and assess which are exposed to untrusted networks; review access logs for suspicious configuration-related activity and isolate instances where feasible. …
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External POC / Exploit Code
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