CVE-2010-4388 json
The (1) Upsell.htm, (2) Main.html, and (3) Custsupport.html components in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 thro…
published 2010-12-14 15 y ago modified 2026-06-16 4 mo ago also EUVD-2010-4357
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.46% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
service.real.com
/realplayer/security/12102010_player/en/
vendor-advisory
- zerodayinitiative.com /advisories/ZDI-10-276
- zerodayinitiative.com /advisories/ZDI-10-278
-
osvdb.org
/69859
vdb-entry
-
osvdb.org
/69858
vdb-entry
-
securitytracker.com
/id?1024861
vdb-entry
-
osvdb.org
/69857
vdb-entry
- zerodayinitiative.com /advisories/ZDI-10-277
Sources
- CVE List CVE-2010-4388
- NVD CVE-2010-4388
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.