CVE-2025-2833

zhangyd-c OneBlog HTTP Header redos

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

zhangyd-c · OneBlog

CVSS v4.0 VULDB

6.9 MEDIUMCVSS: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

CVSS v3.1 VULDB

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

CVSS v2.0 VULDB

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

0.71% chance of exploitation in the next 30 days, 53rd percentile

Published

2025-03-27

Proof-of-concept exploits (1)

• zhangyd-c/OneBlog/issues/35#issue-29142682141106★ · 2025-03-16

Security advisories

• https://vuldb.com/?id.301470
• https://vuldb.com/?submit.521813
• zhangyd-c/OneBlog/issues/35

References

• CVE Record
• NVD entry

Related

• CVE-2025-2835