VulnSocial

CVE-2025-57820Disclosure

LOWCVSS 7.9 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Svelte devalue is a utility library. Prior to version 5.3.2, a string passed to devalue.parse could represent an object with a __proto__ property and devalue.parse does not check that an index is numeric. This could result in assigning prototypes to objects and properties, leading to prototype pollution. This issue has been fixed in version 5.3.2

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-1321

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-03-12: 1Technical Details · 2026-03-12: 103-12
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • DailyCVE@dailycve
    Disclosure

    🔴 Svelte devalue, Prototype Pollution, #CVE-2025-57820 & #CVE-2026-30226 (High) https://dailycve.com/svelte-devalue-prototype-pollution-cve-2025-57820-cve-2026-30226-high/

    Post summary

    The post announces two high‑severity CVEs involving prototype‑pollution bugs in Svelte’s devalue component, offering only basic disclosure with no PoC, exploit details, or patch information.

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    167 followersView on X

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