CVE-2023-54408 — Frappe before 13

Frappe before 13.52.0 and 14.x before 14.31.0 contains an HTML injection vulnerability caused by weak escaping of user-supplied content rendered in pages. Attackers can submit crafted HTML that bypasses the insufficient escaping and is rendered in the browsers of users who view i

01What is this vulnerability?

Frappe before 13.52.0 and 14.x before 14.31.0 contains an HTML injection vulnerability caused by weak escaping of user-supplied content rendered in pages. Attackers can submit crafted HTML that bypasses the insufficient escaping and is rendered in the browsers of users who view it, enabling cross-site scripting.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

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: 2026-10-12T23:17:17.273
• Last modified: 2026-10-13T17:17:13.600

09References

• github.com — https://github.com/frappe/frappe/security/advisories/GHSA-4jj9-5vgc-gc4j
• www.vulncheck.com — https://www.vulncheck.com/advisories/frappe-before-14.31.0-html-injection-via-we…