XSS in Embedthis Goahead

CVE-2023-53155

goform/formTest in EmbedThis GoAhead 2.5 allows HTML injection via the name parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-53155: held from 0.005 to 0.005.

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

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-53155?
CVE-2023-53155 is a high-severity vulnerability in Embedthis Goahead, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2025-07-25.
How severe is CVE-2023-53155?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-53155 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.