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CVE-2023-25655

30
FAUCET Score

CVE-2023-25655 is a critical arbitrary file upload vulnerability affecting baserCMS versions prior to 4.7.5, allowing unauthenticated attackers to upload any file to the system. With a CVSS score of 9.8, this vulnerability poses a severe risk, enabling full compromise of confidentiality, integrity, and availability. While no public exploits, KEV entries, or significant community discussion are currently observed, the ease of exploitation (AV:N/AC:L/PR:N/UI:N) makes it a high-priority patch. Organizations using affected baserCMS versions should upgrade to 4.7.5 immediately to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.7.5CPE matchmatch criteria
cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
61.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 47th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: baserproject/basercmsFixed in: 4.7.5
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-mfvg-qwcw-qvc8critical

baserCMS allows any file to be uploaded

Mar 23, 2023

References

github.com / baserproject/basercms/commit/922025a98b0e697ab78f6a785a004e0729aa9100
Patch
github.com / baserproject/basercms/commit/9297629983ed908c7f51bf61a0231dde91404ebd
Patch
github.com / baserproject/basercms/releases/tag/basercms-4.7.5
Release Notes
github.com / baserproject/basercms/security/advisories/GHSA-mfvg-qwcw-qvc8
Third Party Advisory