CVE-2025-2833

Name: CVE-2025-2833
Creator: NVD / NIST
Published: 2025-03-27T04:15:23.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2025-2833 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. It has been classified as problematic. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS 4.0

6.9/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.63%

45.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zhyd	Oneblog	<= 2.3.9

References

https://github.com/zhangyd-c/OneBlog/issues/35Exploit, Issue Tracking
https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214Exploit, Issue Tracking
https://vuldb.com/?ctiid.301470Permissions Required, VDB Entry
https://vuldb.com/?id.301470Third Party Advisory, VDB Entry
https://vuldb.com/?submit.521813Third Party Advisory, VDB Entry
https://github.com/zhangyd-c/OneBlog/issues/35Exploit, Issue Tracking
https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214Exploit, Issue Tracking

Timeline

Published: Mar 27, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-2833?

How severe is CVE-2025-2833?

CVE-2025-2833 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2025-2833?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-2833?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST