XSS in Vbulletin

CVE-2020-25124

The Admin CP in vBulletin 5.6.3 allows XSS via an admincp/attachment.php&do=rebuild&type= URI.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Vbulletin — versions 5.6.3
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

404notf0und/CVE-Flow

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-25124?: CVE-2020-25124 is a medium-severity vulnerability in Vbulletin, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-09-03.
How severe is CVE-2020-25124?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2020-25124 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.