CVE-2023-4698 — Improper Input Validation in GitHub repository usememos/memos prior to 0

Improper Input Validation in GitHub repository usememos/memos prior to 0.13.2.

01What is this vulnerability?

Improper Input Validation in GitHub repository usememos/memos prior to 0.13.2.

02Affected products

Vendor	Product	Versions
usememos	usememos/memos	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: 2023-09-01T00:00:20.059Z
• Last modified: 2024-09-30T20:22:15.819Z

09References

• huntr.dev — https://huntr.dev/bounties/e1107d79-1d63-4238-90b7-5cc150512654
• github.com — https://github.com/usememos/memos/commit/c9aa2eeb9852047e4f41915eb30726bd25f07ec…