What is CVE-2023-1756?

CVE-2023-1756 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2023-04-05.

How severe is CVE-2023-1756?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2023-1756 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Phpmyfaq

CVE-2023-1756

Cross-site Scripting (XSS) - Stored in GitHub repository thorsten/phpmyfaq prior to 3.1.12.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (38.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Phpmyfaq
Thorsten Thorsten/phpmyfaq — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ahmedvienna/CVEs-and-Vulnerabilities

References

huntr.dev/bounties/e495b443-b328-42f5-aed5-d68b929b4cb9 (Exploit, Patch, Third Party Advisory)
github.com/thorsten/phpmyfaq/commit/ca75f4688a8b0f14d5d0697b9f4b6ea66088f726 (Patch)

Frequently asked questions

What is CVE-2023-1756?: CVE-2023-1756 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2023-04-05.
How severe is CVE-2023-1756?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2023-1756 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.