CVE-2023-1540 — Observable Response Discrepancy in GitHub repository answerdev/answer prior to 1

Observable Response Discrepancy in GitHub repository answerdev/answer prior to 1.0.6.

01What is this vulnerability?

Observable Response Discrepancy in GitHub repository answerdev/answer prior to 1.0.6.

02Affected products

Vendor	Product	Versions
answerdev	answerdev/answer	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: 2023-03-21T00:00:00.000Z
• Last modified: 2025-02-25T20:24:35.893Z

09References

• huntr.dev — https://huntr.dev/bounties/d8d6c259-a0f2-4209-a3b0-ecbf3eb092f4
• github.com — https://github.com/answerdev/answer/commit/1de3ec27e50ba7389c9449c59e8ea3a37a908…