CVE-2021-43785
Cross-Site Scripting Vulnerability in @joeattardi/emoji-button
Impact
### Impact There are two vectors for XSS attacks with versions of @joeattardi/emoji-button before 4.6.2: - A URL for a custom emoji - An i18n string In both of these cases, a value can be crafted such that it can insert a `script` tag into the page and execute malicious code. ### Patches This vulnerability is fixed starting in version 4.6.2. This is resolved by properly escaping strings that are inserted into the HTML document. ### Workarounds There is no workaround other than upgrading to a non-vulnerable version. ### Credit This issue was discovered by GitHub team member [@erik-krogh (Erik Krogh Kristensen)](https://github.com/erik-krogh) and was reported by the GitHub Security Lab team.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @joeattardi/emoji-button | < 4.6.2 | 4.6.2 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Emoji Button Project | Emoji Button | before 4.6.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/joeattardi/emoji-button/commit/05970c09180cd27fff493e998ac5bf0468b1bb16
- https://github.com/joeattardi/emoji-button/commit/fe54bef107eb3f74873a4018f2ff49fa124c6a2e
- https://github.com/joeattardi/emoji-button/security/advisories/GHSA-f34m-x9pj-62vq
- https://github.com/advisories/GHSA-f34m-x9pj-62vq
- https://nvd.nist.gov/vuln/detail/CVE-2021-43785