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CVSSv2

CVE-2020-27511

Published: 21/06/2021 Updated: 20/09/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

An issue exists 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.

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prototypejs prototype 1.7.3

Vendor Advisories

Debian CVElist Bug Report Logs: prototypejs: CVE-2020-27511
Debian Bug report logs - #991898 prototypejs: CVE-2020-27511 Package: src:prototypejs; Maintainer for src:prototypejs is Frank Habermann <lordlamer@lordlamerde>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Wed, 4 Aug 2021 17:42:01 UTC Severity: important Tags: security, upstream Found in versions p ...

References

NVD-CWE-noinfohttp://prototypejs.org/https://github.com/yetingli/PoCs/blob/main/CVE-2020-27511/Prototype.mdhttps://github.com/prototypejs/prototype/blob/dee2f7d8611248abce81287e1be4156011953c90/src/prototype/lang/string.js#L283https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991898https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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