What is CVE-2023-2553?

CVE-2023-2553 is a medium-severity vulnerability in Bumsys Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-05-05.

How severe is CVE-2023-2553?

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

Is CVE-2023-2553 known to be exploited?

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

XSS in Bumsys Project

CVE-2023-2553

Cross-site Scripting (XSS) - Stored in GitHub repository unilogies/bumsys prior to 2.2.0.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-05-05 · 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: 0.004 (28.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.3% 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

Bumsys Project
Unilogies Unilogies/bumsys — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

tht1997/tht1997

References

github.com/unilogies/bumsys/commit/1b426f58a513194206d0ea8ab58baf1461e54978 (Patch)
huntr.dev/bounties/4e1f5b56-e846-40d8-a83c-533efd56aacf (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-2553?: CVE-2023-2553 is a medium-severity vulnerability in Bumsys Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-05-05.
How severe is CVE-2023-2553?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-2553 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.