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CVE-2025-2833

zhangyd-c OneBlog HTTP Header redos

MEDIUM
5.3
CVSS Score
Published: March 27, 2025 at 04:00 AM UTC
Updated: June 17, 2026 at 09:07 AM UTC
2 products affected across 2 vendorsOneblogOneBlog

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Issue TrackingExploit
Source: [email protected]
https://github.com/zhangyd-c/OneBlog/issues/35
ExploitIssue Tracking
Source: [email protected]
https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214
SignaturePermissions RequiredVDB Entry
Source: [email protected]
https://vuldb.com/?ctiid.301470
VDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://vuldb.com/?id.301470
Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/?submit.521813

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-400CWE-1333

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