CVE-2026-2736 describes a Reflected Cross-site Scripting (XSS) vulnerability in Alkacon's OpenCms v18.0, specifically exploitable via the 'q' parameter in '/search/index.html'. This medium-severity vulnerability (CVSS 6.1) allows an unauthenticated attacker to execute arbitrary JavaScript in a victim's browser by enticing them to click a malicious URL. Successful exploitation could lead to the theft of session cookies or unauthorized actions performed on behalf of the user. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
18.0.0CPE matchmatch criteria | cpe:2.3:a:alkacon:opencms:18.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.