Security readout for executives and security teams
CVE-2020-27511 is a denial-of-service risk in Prototype 1.7.3. If an application strips or decodes attacker-controlled HTML using the affected string helpers, specially shaped input may consume excessive processing time and degrade service availability. Exposure is most likely in web applications that still load Prototype 1.7.3 and pass untrusted HTML-like input through stripTags or unescapeHTML. The supplied affected-product metadata is incomplete. Treat as a targeted availability risk. Prioritize systems where Prototype 1.7.3 touches customer input, support forms, comments, CMS content, or other HTML-like data. Mitigation focus: Inventory applications and bundled assets for Prototype 1.7.3.; Check Prototype project guidance for fixed versions or safe replacement options.; Avoid processing untrusted HTML with affected helpers until remediated..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2020-27511 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/prototypejs/prototype/blob/dee2f7d8611248abce81287e1be4156011953c90/src/prototype/lang/string.js#L283CVE reference · x_refsource_MISC
- https://github.com/yetingli/PoCs/blob/main/CVE-2020-27511/Prototype.mdCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.