CVE-2010-4388
The (1) Upsell.htm, (2) Main.html, and (3) Custsupport.html components in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0…
- 4.3MediumCVSS base score
- 1.5%Exploitation in 30 daysEPSS · top 26% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The (1) Upsell.htm, (2) Main.html, and (3) Custsupport.html components in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, and RealPlayer Enterprise 2.1.2 and 2.1.3 allow remote attackers to inject code into the RealOneActiveXObject process, and consequently bypass intended Local Machine Zone restrictions and load arbitrary ActiveX controls, via unspecified vectors.
Timeline
ID reserved
By mitre
- 12 days later
· 12 days later
Published
- 14 years later
· 14 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 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 1.5% · top 26% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
8
- http://www.zerodayinitiative.com/advisories/ZDI-10-276 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.zerodayinitiative.com/advisories/ZDI-10-278 (opens in a new tab)x_refsource_MISCx_transferred
- 69859 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 69858 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1024861 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://service.real.com/realplayer/security/12102010_player/en/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 69857 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://www.zerodayinitiative.com/advisories/ZDI-10-277 (opens in a new tab)x_refsource_MISCx_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-2010-4357 (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-2010-4388)Record last updated .