Security readout for executives and security teams
Plain-English summary
CVE-2025-23108 is a Firefox for iOS issue where a user opening a JavaScript link in a new tab by long-pressing could see a spoofed address bar. This can support phishing or deception, but requires user interaction and does not indicate device takeover.
Executive priority
Treat as a moderate mobile phishing risk. It is not known to be exploited and requires user action, but organizations with managed iOS devices should confirm Firefox for iOS is updated promptly.
Technical view
Mozilla describes a URL spoofing flaw in Firefox for iOS involving long-press 'open in new tab' handling of JavaScript URIs. The CVE is rated CVSS 4.3, network-reachable with low attack complexity, no privileges required, and user interaction required. Mozilla says it was fixed in Firefox for iOS 134.
Likely exposure
Exposure is limited to Firefox for iOS users before applying the fixed Firefox for iOS 134 release. The source bundle does not provide a detailed affected version range beyond stating the issue was fixed in 134.
Exploitation context
No CISA KEV listing or cited source in the bundle reports active exploitation. Practical abuse would likely involve phishing or trust manipulation, because the visible URL in a new tab could be spoofed after a user opens a crafted link.
Researcher notes
The bundle references CWE-79, but the described impact is address bar spoofing rather than general script execution. Bugzilla may contain additional details, but do not assume exploitability beyond Mozilla’s advisory and CVSS data.
Mitigation direction
- Update Firefox for iOS to version 134 or later where available.
- Check Mozilla advisory MFSA2025-06 for any updated vendor guidance.
- Prioritize managed iOS fleets that allow Firefox as a browser.
- Remind users not to trust links solely based on the displayed address bar.
Validation and detection
- Confirm installed Firefox for iOS versions across managed devices.
- Verify app store deployment policies push Firefox for iOS 134 or later.
- Review mobile threat reports for phishing attempts involving Firefox iOS users.
- Check Mozilla advisory and CVE record for later corrections or scope changes.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-23108 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N2.81.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.mozilla.org/show_bug.cgi?id=1933172CVE reference, mozilla
- https://www.mozilla.org/security/advisories/mfsa2025-06/CVE reference, mozilla
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.