CVE-2025-2043: pb-cms Input Validation Flaw (CVSS 4.7)

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.

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CVSS v3.1 Score

4.7

MEDIUM

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
pb-cms_project	pb-cms	All

References

Other References

https://github.com/Jingyi-u/Pb-cms2/blob/main/README.md https://vuldb.com/?ctiid.298787 https://vuldb.com/?id.298787 https://vuldb.com/?submit.513243

Frequently Asked Questions

What is CVE-2025-2043? +

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. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2025-2043? +

CVE-2025-2043 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-2043? +

CVE-2025-2043 affects products from pb-cms_project, specifically: pb-cms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-2043? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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