
CVE catalog
CVE-2020-27511
prototypejs: CVE-2020-27511
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.50% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | prototypejs | sid | 1.7.3-2 | fixed |
| Debian | prototypejs | forky | 1.7.3-2 | fixed |
| Debian | prototypejs | trixie | 1.7.3-2 | fixed |
| Debian | prototypejs | bookworm | 1.7.3-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | prototypejs | source | sid | 1.7.3-1 | not yet assigned | Not reported | [991898] |
| Debian | prototypejs | source | forky | 1.7.3-1 | not yet assigned | Not reported | [991898] |
| Debian | prototypejs | source | trixie | 1.7.3-1 | not yet assigned | Not reported | [991898] |
| Debian | prototypejs | source | bookworm | 1.7.3-1 | not yet assigned | Not reported | [991898] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libjs-prototype]Fixed
Source package: [prototypejs]
Details (2)
1.7.3-1· all · bookwormFixed · Fixed:
1.7.3-1dsa · prototypejs · debian · bookworm; dsa · prototypejs · debian · 12
1.7.3-1· all · bookwormFixed · Fixed:
1.7.3-1dsa · prototypejs · debian · bookworm; dsa · prototypejs · debian · 12
[Debian 13 (Trixie)]
- [libjs-prototype]Fixed
Source package: [prototypejs]
Details (2)
1.7.3-2· all · trixieFixed · Fixed:
1.7.3-1dsa · prototypejs · debian · 13
1.7.3-2· all · trixieFixed · Fixed:
1.7.3-1dsa · prototypejs · debian · 13
Observed: