VDB
CVE-2020-27511
CVE-2020-27511
PUBLISHED
An issue was discovered in the stripTags and unescapeHTML components in Prototype 1.7.3 where an attacker can cause a Regular Expression Denial of Service (ReDOS) through stripping crafted HTML tags.
EPSS 1.19% · 79.2th percentile
Risk Scores
EPSS Score
1.19%
79.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | prototypejs | 0, 1.7.3-2 |
| Ubuntu:18.04:LTS | prototypejs | 1.7.1-3, 0 |
| Ubuntu:20.04:LTS | prototypejs | 0, 1.7.1-3 |
| Ubuntu:24.04:LTS | prototypejs | 1.7.3-1, 0 |
| Ubuntu:22.04:LTS | prototypejs | 1.7.1-3.1, 0 |
| Ubuntu:16.04:LTS | prototypejs | 0, 1.7.1-3 |
Timeline
- Jun 21, 2021 CVE Published
- Jun 22, 2021 EPSS Score
- Aug 21, 2021 EPSS Score
- Oct 21, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 19, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jun 19, 2022 EPSS Score
- Aug 20, 2022 EPSS Score
- Oct 19, 2022 EPSS Score
- Dec 19, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-27511 third-party-advisory
- http://prototypejs.org/ third-party-advisory
- https://github.com/yetingli/PoCs/blob/main/CVE-2020-27511/Prototype.md third-party-advisory
- https://github.com/prototypejs/prototype/blob/dee2f7d8611248abce81287e1be4156011953c90/src/prototype/lang/string.js#L283 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-27511 third-party-advisory