LinZhaoguan pb-cms Add New Topic admin#themes deserialization
Priority MEDIUM 56CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00496 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| LinZhaoguan | pb-cms | 1.0.0 | — | No fix listed | CNA |
- pb-cms VendorLinZhaoguan Affected 1.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pb-cms_project:pb-cms:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | LinZhaoguan |
- cpe:2.3:a:pb-cms_project:pb-cms:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·LinZhaoguan
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-2043
- 2026-10-03 Alias added: GHSA-wqwm-2jpv-828c
References
More LinZhaoguan Pb-cms vulnerabilities
- TI-2022-03987 LinZhaoguan pb-cms Message Board comment cross site scripting CVSS 3.1CRITICAL 9.6
- TI-2024-34290 Cross Site Scripting vulnerability in LinZhaoguan pb-cms v.2.0 allows a remote attacker… CVSS 3.1HIGH 8.8
- TI-2025-01502 LinZhaoguan pb-cms Logout cross-site request forgery CVSS 4.0MEDIUM 5.3
- TI-2024-00715 LinZhaoguan pb-cms Comment cross site scripting CVSS 3.1MEDIUM 5.4
- TI-2024-09707 LinZhaoguan pb-cms Theme Management Module admin#themes cross site scripting CVSS 4.0MEDIUM 5.1
- TI-2025-02970 LinZhaoguan pb-cms Friendship Link admin#links cross site scripting CVSS 4.0MEDIUM 4.8
Sources
- CVE-2025-2043 · CVE Program
- CVE-2025-2043 · NVD
- FIRST EPSS
- GHSA-wqwm-2jpv-828c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences