PluXml CMS is vulnerable to Stored XSS in Static Pages editing functionality. Attacker with editing privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page.
The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
{
"unresolved_ranges": [
{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"introduced": "5.9.0-rc7"
},
{
"last_affected": "5.9.0-rc7"
},
{
"introduced": "5.8.21"
},
{
"last_affected": "5.8.21"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24351.json",
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "CERT-PL"
}{
"source": "CPE_STRING",
"cpe": [
"cpe:2.3:a:pluxml:pluxml:5.8.21:*:*:*:*:*:*:*",
"cpe:2.3:a:pluxml:pluxml:5.9.0:rc7:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "5.8.21"
},
{
"last_affected": "5.8.21"
},
{
"introduced": "5.9.0-rc7"
},
{
"last_affected": "5.9.0-rc7"
}
]
}