What is CVE-2023-1240?

CVE-2023-1240 is a medium-severity vulnerability in Answer, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-03-07.

How severe is CVE-2023-1240?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Answer

CVE-2023-1240

Cross-site Scripting (XSS) - Stored in GitHub repository answerdev/answer prior to 1.0.6.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-03-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Answer
Answerdev Answerdev/answer — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/a24f57a4-22e3-4a17-8227-6a410a11498a (Exploit, Patch, Third Party Advisory)
github.com/answerdev/answer/commit/90bfa0dcc7b49482f1d1e31aee3ab073f3c13dd9 (Patch)

Frequently asked questions

What is CVE-2023-1240?: CVE-2023-1240 is a medium-severity vulnerability in Answer, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-03-07.
How severe is CVE-2023-1240?: Medium severity. CVSS v3 base score is 5.4 out of 10.