OpenClaw before 2026.5.12 contains a cross-site scripting vulnerability in exported session HTML that preserves unsafe javascript: and data: links in generated content. Attackers can execute browser-side scripts if a trusted operator opens the exported file and activates a malicious link.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53841.json",
"cwe_ids": [
"CWE-83"
],
"cna_assigner": "VulnCheck"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2026.5.12"
}
],
"source": [
"AFFECTED_FIELD",
"CPE_RANGE"
],
"cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*"
}