Cross Site Scripting (XSS) vulnerability in PerfreeBlog 3.1.2 allows attackers to execute…
Priority MEDIUM 58CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Cross Site Scripting (XSS) vulnerability in PerfreeBlog 3.1.2 allows attackers to execute arbitrary code via the Post function.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00457 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-29643
- 2026-10-03 Alias added: GHSA-fm8q-26jf-5f8q
References
More Perfreeblog vulnerabilities
- TI-2025-21031 In PerfreeBlog version 4.0.11, regular users can exploit the arbitrary file upload… CVSS 3.1HIGH 8.8
- TI-2025-21072 PerfreeBlog v4.0.11 has a directory traversal vulnerability in the getThemeFilesByName function. CVSS 3.1HIGH 7.5
- TI-2023-21565 An issue in Perfree PerfreeBlog v.3.1.2 allows a remote attacker to execute arbitrary… CVSS 3.1HIGH 7.2
- TI-2025-37803 PerfreeBlog v4.0.11 has a File Upload vulnerability in the installPlugin function CVSS 3.1HIGH 7.6
- TI-2025-37802 PerfreeBlog v4.0.11 has a File Upload vulnerability in the installTheme function CVSS 3.1HIGH 7.6
- TI-2025-37801 PerfreeBlog v4.0.11 has an arbitrary file deletion vulnerability in the unInstallTheme function CVSS 3.1HIGH 7.6
Sources
- CVE-2023-29643 · CVE Program
- CVE-2023-29643 · NVD
- FIRST EPSS
- GHSA-fm8q-26jf-5f8q · GitHub Advisory Database · CC BY 4.0
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