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CVE-2018-18358
Lack of special casing of localhost in WPAD files in Google Chrome prior to 71.0.3578.80 allowed an attacker on the local network segment…
- 5.7MediumCVSS base score
- 0.44%Exploitation in 30 daysEPSS · top 61% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Lack of special casing of localhost in WPAD files in Google Chrome prior to 71.0.3578.80 allowed an attacker on the local network segment to proxy resources on localhost via a crafted WPAD file.
Timeline
ID reserved
By Chrome
- 57 days later
· 57 days later
Published
- 6 years later
· 6 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 | 3.0 | Medium5.7 | CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.44% · top 61% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.
Affected products
References
6
- https://crbug.com/899126 (opens in a new tab)x_refsource_MISCx_transferred
- https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3803 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- DSA-4352 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 106084 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-201908-18 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_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-2018-10089 (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-2018-18358)Record last updated .