PerfreeBlog v4.0.11 has an arbitrary file deletion vulnerability in the unInstallTheme function

published 2025-10-24 12 mo ago modified 2026-11-05 3 d ago also EUVD-2025-35886

cvss: 7.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 12 mo ago (2025-10-24)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/dengxmenglihua/cve/blob/main/PerfreeBlog/File%20Deletion/Arbitrary%20File%20Deletion%20Vulnerability%20in%20PerfreeBlog%20System.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
CNA	3.1	7.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L

Classification

Weakness

CWE-459 Incomplete Cleanup

References

github.com /dengxmenglihua/cve/blob/main/PerfreeBlog/File%20Deletion/Arbitrary%20File%20Deletion%20Vulnerability%20in%20P
exploit, third-party-advisory
perfree.org.cn /
product

Sources

CVE List CVE-2025-60730
NVD CVE-2025-60730

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary