Oneblog
CVE-2025-2833
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK
1 technique across 1 tactic: Impact The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.32%. |
| Exploit ScenarioDerived | A remote attacker could cause denial of service by exhausting system resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAIv1 – Mar 28, 2026
A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. It has been classified as problematic. Affected is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Affected products include: Zhyd Oneblog. Version information: up to 2.3.9..
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. It has been classified as problematic. Affected is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Executive ViewAI
Organizations using zhangyd-c OneBlog should be aware of notable risk from CVE-2025-2833, a resource exhaustion vulnerability rated CVSS 6.9. Service availability could be impacted. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement rate limiting and resource quotas.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
Server-side template injection in OneBlog v2.3.9 and earlier lets an attacker who can supply FreeMarker template content
OneBlog v2.3.6 was discovered to contain a template injection vulnerability via the template management department. Rate
The /api/comment endpoint in zhangyd-c OneBlog 2.3.9 contains a denial-of-service vulnerability. Rated high severity (CV
Insecure permissions in OneBlog v2.3.4 allows low-level administrators to reset the passwords of high-level administrato
OneBlog v2.3.4 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Role Management modul
OneBlog v2.3.4 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the component {{rootpath}
A stored cross-site scripting (XSS) vulnerability in OneBlog v2.3.4 allows attackers to execute arbitrary web scripts or
OneBlog v2.3.4 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the User Management modul
OneBlog v2.3.4 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Privilege Management
OneBlog v2.3.4 was discovered to contain a stored cross-site scripting (XSS) vulnerability via the Notice Manage module.
A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. Rated medium severity (CVSS 5.3), this vulnerability is remo
OneBlog v2.3.4 was discovered to contain a Server-Side Request Forgery (SSRF) vulnerability via the Logo parameter under
Exploit-DB