CVE-2008-4788
Microsoft Internet Explorer 6 omits high-bit URL-encoded characters when displaying the address bar, which allows remote attackers to…
- 5.0MediumCVSS base score
- 9.1%Exploitation in 30 daysEPSS · top 4.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Microsoft Internet Explorer 6 omits high-bit URL-encoded characters when displaying the address bar, which allows remote attackers to spoof the address bar via a URL with a domain name that differs from an important domain name only in these characters, as demonstrated by using exam%A9ple.com to spoof example.com, aka MSRC ticket MSRC7900.
Timeline
ID reserved
By mitre
Published
- 16 years later
· 16 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 9.1% · top 4.7% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
3
- 20081027 Writeup by Amit Klein (Trusteer): Address Bar Spoofing for IE6 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20081027 Re: Writeup by Amit Klein (Trusteer): Address Bar Spoofing for IE6 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- ie-highbit-addressbar-spoofing(46235) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2008-4768 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2008-4788)Record last updated .