CVE-2023-1148 — Cross-site Scripting (XSS) - Stored in GitHub repository flatpressblog/flatpress

Cross-site Scripting (XSS) - Stored in GitHub repository flatpressblog/flatpress prior to 1.3.

01What is this vulnerability?

Cross-site Scripting (XSS) - Stored in GitHub repository flatpressblog/flatpress prior to 1.3.

02Affected products

Vendor	Product	Versions
flatpressblog	flatpressblog/flatpress	unspecified

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: 2023-03-02T00:00:00.000Z
• Last modified: 2025-03-07T21:40:11.640Z

09References

• huntr.dev — https://huntr.dev/bounties/f0cc2c4b-fdf9-483b-9a83-4e0dfeb4dac7
• github.com — https://github.com/flatpressblog/flatpress/commit/3a32aad0dec5df24c6576d7567d4f2…