The Android API before 17 does not properly restrict the WebView.addJavascriptInterface method, which allows remote attackers to execute arb
The Android API before 17 does not properly restrict the WebView.addJavascriptInterface method, which allows remote attackers to execute arbitrary methods of Java objects by using the Java Reflection API within crafted JavaScript code that is loaded into the WebView component in an application targeted to API level 16 or earlier, a related issue to CVE-2013-4710.
- Published
- Mar 3, 2014
- Updated
- Jun 16, 2026
- EPSS
- 38.5% · 99th percentile
- CWE
- CWE-264
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Report tools
Action score
39
Monitor
Low priority for now.
- CVSS
- 27 / 40 · 6.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 12 / 30 · 38.5%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| android api | cpe:2.3:a:google:android_api |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- google android apiup to 16.0 inclusive
- google android api1.0
- google android api10.0
- google android api11.0
- google android api12.0
- google android api13.0
- google android api14.0
- google android api15.0
- google android api2.0
- google android api3.0
- google android api4.0
- google android api5.0
- google android api6.0
- google android api7.0
- google android api8.0
- google android api9.0
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
- Exploit-DB entry ×1
- Proof-of-concept repository on GitHub ×2
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | local | 2012-12-21 |
| Metasploit module | exploit/android/browser/webview_addjavascriptinterfaceAndroid Browser and WebView addJavascriptInterface Code Executionexploit | 2012-12-21 |
| Proof-of-concept repository on GitHub | stars:1 | 2019-02-19 |
| Proof-of-concept repository on GitHub | stars:1 | 2022-05-11 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-437 d
- Metasploit-437 d
- Published
- TodaySep 30, 2026+4594 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- P · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
CWE-264 · Permissions, Privileges, and Access ControlsCVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- 50.56.33.56/blog/?p=314
- developer.android.com/reference/android/os/Build.VERSION_CODES.html#JELLY_BEAN_MR1
- developer.android.com/reference/android/webkit/WebView.html#addJavascriptInterface%28java.lang.Object%2C%20java.lang.String%29
- jvn.jp/en/jp/JVN62161191/index.html
- openwall.com/lists/oss-security/2014/02/07/9
- www.internetsociety.org/ndss2014/programme#session3
- support.lenovo.com/us/en/product_security/len_6421
Vendor advisories and official records. Exploit/PoC links are deliberately left out.