What is CVE-2023-0743?

CVE-2023-0743 is a critical-severity vulnerability in Answer, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2023-02-08.

How severe is CVE-2023-0743?

Critical severity. CVSS v3 base score is 9.0 out of 10.

XSS in Answer

CVE-2023-0743

Cross-site Scripting (XSS) - Generic in GitHub repository answerdev/answer prior to 1.0.4.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-02-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Answer
Answerdev Answerdev/answer — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/366cf8bb-19f6-4388-b089-d0a260efd863 (Exploit, Patch, Third Party Advisory)
github.com/answerdev/answer/commit/860b1a3bd8cfaa8827e6e6f50ab1d98fa4c2c816 (Patch)

Frequently asked questions

What is CVE-2023-0743?: CVE-2023-0743 is a critical-severity vulnerability in Answer, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2023-02-08.
How severe is CVE-2023-0743?: Critical severity. CVSS v3 base score is 9.0 out of 10.