Published:2021/06/30 Last Updated:2021/06/30
JVN#15185184
IkaIka RSS Reader vulnerable to cross-site scripting
Overview
IkaIka RSS Reader contains a cross-site scripting vulnerability.
Products Affected
- IkaIka RSS Reader all versions
Description
IkaIka RSS Reader contains a cross-site scripting vulnerability (CWE-79), due to the improper processing of RSS registration.
Impact
If a malicious RSS feed is loaded into the product, an arbitrary script may be executed on the web browser where the product is running.
Solution
Do not use IkaIka RSS Reader
Please stop use of IkaIka RSS Reader.
The developer has stopped distributing the product.
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
CVSS v3
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Base Score:
5.4
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
CVSS v2
AV:N/AC:M/Au:N/C:P/I:P/A:N
Base Score:
5.8
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Credit
LAC Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2021-20752 |
| JVN iPedia |
JVNDB-2021-000058 |