CVE-2020-27511
Published: 21 June 2021
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.
Priority
Medium
CVSS 3 base score: 7.5
Status
| Package | Release | Status |
|---|---|---|
|
prototypejs Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Needs triage
|
|
| jammy |
Needs triage
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(out of standard support)
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27511
- http://prototypejs.org/
- https://github.com/yetingli/PoCs/blob/main/CVE-2020-27511/Prototype.md
- https://github.com/prototypejs/prototype/blob/dee2f7d8611248abce81287e1be4156011953c90/src/prototype/lang/string.js#L283
- NVD
- Launchpad
- Debian