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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-2043

A vulnerability was found in LinZhaoguan pb-cms 1.0.0 and classified as critical.

MEDIUM 5.1EPSS 0.50%

Does this matter?

Lower severity and a low EPSS score (0.50%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability was found in LinZhaoguan pb-cms 1.0.0 and classified as critical. This issue affects some unknown processing of the file /admin#themes of the component Add New Topic Handler. The manipulation of the argument Topic Key leads to deserialization. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

CVSS 4.0
5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/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/M
EPSS
0.50% probability · 42th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20, CWE-502
Affected
pb-cms project/pb-cms
Source
cna@vuldb.com
EPSS trend
0%3%5%27 October 2026: 0.50%27 October 202627 October 2026

EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.