CVE-2025-2043 LinZhaoguan pb-cms Add New Topic admin#themes deserialization
Remote attackers can achieve code execution via unsafe deserialization in the Add New Topic handler of pb-cms.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-2043?
CVE-2025-2043 is a medium-severity unsafe deserialization vulnerability in LinZhaoguan pb-cms, published on 6 Mar 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Which versions are affected by CVE-2025-2043?
It affects 1 product.
Products include Pb-Cms Project Pb-Cms.
How do I fix CVE-2025-2043?
No fix has been published for CVE-2025-2043 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-2043 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2043 exists.
Other vulnerabilities in LinZhaoguan pb-cms
- CVE-2024-51229 Cross-site scripting in n/a
- CVE-2025-1745 LinZhaoguan pb-cms Logout cross-site request forgery
- CVE-2024-10477 LinZhaoguan pb-cms Permission Management Page admin#permissions cross site scripting
- CVE-2024-10478 LinZhaoguan pb-cms Edit Article edit cross site scripting
- CVE-2024-10479 LinZhaoguan pb-cms Theme Management Module admin#themes cross site scripting
Sources
Also known as GHSA-wqwm-2jpv-828c.