CVE-2025-2833 - CVE House
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Status published Medium CVE-2025-2833

zhangyd-c OneBlog HTTP Header redos

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • s1mple_xy (VulDB User)

References

More from zhangyd-c

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CVE-2025-2835
zhangyd-c OneBlog RestApiController.java autoLink server-side request forgery
Medium 5.3

Affected Vendor

Affected Software

OneBlog
Vulnerable Versions:
2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5, 2.3.6, 2.3.7, 2.3.8, 2.3.9

Timeline

Official Publish: March 27th, 2025
Last Modified: March 27th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-1333 CWE-400

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1496 Resource Hijacking
Impact
T1562 Impair Defenses
Defense Evasion
T1070 Indicator Removal on Host
Defense Evasion
T1498 Network Denial of Service
Impact