CVE-2026-9357vBulletin Login cross site scripting
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A vulnerability was found in vBulletin 6.x. This impacts an unknown function of the component Login. Performing a manipulation results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used. VulDB is withholding an extended redistribution of exploit details to prevent simplified exploitation. The vendor was contacted early about this disclosure but did not respond in any way.
- CVSS
- 3.5 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-79, CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- May 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
n/a vBulletin vbulletin:vbulletin | 6.* | CNA record |
References
- https://vuldb.com/vuln/365320vdb-entry
- https://vuldb.com/vuln/365320/ctisignature, permissions-required
- https://vuldb.com/submit/813052third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.