CVE-2025-5263 (GCVE-0-2025-5263)

Vulnerability from cvelistv5 – Published: 2025-05-27 12:29 – Updated: 2026-04-13 14:27
VLAI
Title
Error handling for script execution was incorrectly isolated from web content
Summary
Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE
  • CWE-346 - Origin Validation Error
Assigner
References
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 115.24 , ≤ 115.* (rpm)
Unaffected: 128.11 , ≤ 128.* (rpm)
Unaffected: 139 , ≤ * (rpm)
Create a notification for this product.
Mozilla Thunderbird Unaffected: 128.11 , ≤ 128.* (rpm)
Unaffected: 139 , ≤ * (rpm)
Create a notification for this product.
Credits
terjanq
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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