What is CVE-2012-5873?

CVE-2012-5873 is a medium-severity vulnerability in Arc2 Project, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2023-04-26.

How severe is CVE-2012-5873?

Medium severity. CVSS v3 base score is 5.3 out of 10.

XSS in Arc2 Project

CVE-2012-5873

ARC (aka ARC2) through 2011-12-01 allows reflected XSS via the end_point.php query parameter in an output=htmltab action.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-04-26 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Arc2 Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.ush.it/2012/11/22/arc-v2011-12-01-multiple-vulnerabilities/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2012-5873?: CVE-2012-5873 is a medium-severity vulnerability in Arc2 Project, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2023-04-26.
How severe is CVE-2012-5873?: Medium severity. CVSS v3 base score is 5.3 out of 10.