CVE-2025-32957: baserproject basercms · Unrestricted File Upload
Affects baserproject basercmsSource CVE Database V5
Not known to be exploited · CVSS 8.7 High : upgrade to 5.2.3 soon.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 5.2.3
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 31 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade basercms and baserproject/basercms to 5.2.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| baserprojectbasercms | Affected
| Fixed in
|
GitHubbaserproject/basercmspkg:github/baserproject/basercmsOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade baserCMS to version 5.2.3 or later, where this vulnerability is patched. No other mitigation is required as the vendor has provided an official fix.
Description
baserCMS versions prior to 5.2.3 contain a vulnerability in the restore function that allows uploading and automatic extraction of . zip files without proper validation. A malicious PHP file inside the archive can be included via require_once, leading to arbitrary code execution. This vulnerability has been patched in version 5.2.3.