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CVE-2023-29009

18
FAUCET Score

CVE-2023-29009 is a Cross-Site Scripting (XSS) vulnerability found in the Favorites feature of baserCMS, a website development framework running on PHP8 and CakePHP4. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. The issue has been patched in baserCMS version 4.8.0. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.8.0CPE matchmatch criteria
cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 40th percentile among its peer group of 26,234 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: baserproject/basercmsFixed in: 4.8.0

Vendor Advisories (1)

composerGHSA-8vqx-prq4-rqrqmedium

baserCMS Cross-site Scripting Vulnerability in Favorites Feature

Oct 26, 2023

References

basercms.net / security/JVN_45547161
Vendor Advisory
github.com / baserproject/basercms/releases/tag/basercms-4.8.0
Release Notes
github.com / baserproject/basercms/security/advisories/GHSA-8vqx-prq4-rqrq
Third Party Advisory