CVE-2018-18966: oscommerce online_merchant
CVSS: 4.9v3.0MediumModified
Published 06-11-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-18966 is a medium (CVSS 4.9) vulnerability in oscommerce online_merchant. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.7% of scored vulnerabilities.
CVSS score
4.9/10
010
Medium · v3.0 (NVD)EPSS score
1.02%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
osCommerce 2.3.4.1 has an incomplete '.htaccess' for blacklist filtering in the "product" page. The .htaccess file in catalog/images/ bans the html extension, but Internet Explorer render HTML elements in a .eml file.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 4.9Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:NSourcesSingle source
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.02%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
+0.02 pp
From 1.00% on 19-09-2026
19-09-202619-10-2026
EPSS score1.02%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Oscommerce1 product
- online_merchant2.3.4.1
1 vendor · 1 product