tarteaucitron.js before 1.37.0 contains a regular expression denial of service vulnerability that allows attackers to block visitor pages by supplying unescaped cookie names to cookie.purge. Attackers can plant a cookie from a sibling subdomain or inject a purgeBtn element with a catastrophic-backtracking data-cookie pattern that freezes the page when the purge button is clicked.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-1333"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111714.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.37.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "60faaba5fd541cad770549d422fc4ac7de657e56"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v1.37.0",
"range": [
{
"fixed": "636c5f0059efafa5fb5aef1bcdc4c6fdc29730db"
}
],
"source": "REFERENCES_TAG"
}
]
}