CVE-2021-29272
MEDIUMCVSS 6.1/10EPSS 0.93%
Last modified
CVE-2021-29272 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.
Description
bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microco | Bluemonday | < 1.0.5 |
References
- https://github.com/microcosm-cc/bluemonday/releases/tag/v1.0.5Third Party Advisory
- https://vuln.ryotak.me/advisories/4Third Party Advisory
- https://github.com/microcosm-cc/bluemonday/releases/tag/v1.0.5Third Party Advisory
- https://vuln.ryotak.me/advisories/4Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29272?
bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.
How severe is CVE-2021-29272?
CVE-2021-29272 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29272?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-29272?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST