CVE-2023-29009 — baserCMS is a website development framework with WebAPI that runs on PHP8 and Ca

baserCMS is a website development framework with WebAPI that runs on PHP8 and CakePHP4. There is a XSS Vulnerability in Favorites Feature to baserCMS. This issue has been patched in version 4.8.0.

01What is this vulnerability?

baserCMS is a website development framework with WebAPI that runs on PHP8 and CakePHP4. There is a XSS Vulnerability in Favorites Feature to baserCMS. This issue has been patched in version 4.8.0.

02Affected products

Vendor	Product	Versions
baserproject	basercms	< 4.8.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-10-27T19:30:18.390Z
• Last modified: 2024-09-09T14:59:18.101Z

09References

• github.com — https://github.com/baserproject/basercms/security/advisories/GHSA-8vqx-prq4-rqrq
• basercms.net — https://basercms.net/security/JVN_45547161
• github.com — https://github.com/baserproject/basercms/releases/tag/basercms-4.8.0