Security readout for executives and security teams
Plain-English summary
CVE-2022-42750 affects CandidATS 3.0.0. A remote attacker could use weak file-upload validation to steal user cookies after a victim interacts with attacker-controlled content. Stolen cookies can enable account takeover or session misuse, creating high confidentiality and integrity risk.
Executive priority
Treat this as a high-priority application risk if CandidATS 3.0.0 is in use. The business concern is session theft and possible account compromise, not server takeover proven by sources.
Technical view
The CVE describes CWE-79 cross-site scripting in CandidATS 3.0.0 caused by insufficient validation of uploaded files. CVSS 3.1 is 8.8, with network access, low complexity, no privileges required, and user interaction required. The source bundle does not name a fixed version.
Likely exposure
Organizations running internet-accessible or internally shared CandidATS 3.0.0 instances are the likely exposure group, especially where file uploads are enabled for untrusted or semi-trusted users.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. Exploitation requires user interaction, but the impact is serious because cookie theft can lead to session compromise.
Researcher notes
Evidence is limited to the CVE metadata and referenced advisory. The record states cookie theft through improper upload validation and maps to CWE-79. No exploit code, active exploitation, or fixed release is included in the supplied bundle.
Mitigation direction
- Check CandidATS and Fluid Attacks guidance for a fixed version or official workaround.
- Inventory and prioritize any CandidATS 3.0.0 deployments for remediation.
- Restrict access to CandidATS until vendor guidance is applied.
- Limit file-upload capability to trusted users where operationally possible.
- Review session controls and invalidate suspicious active sessions.
Validation and detection
- Confirm whether CandidATS 3.0.0 is deployed in any environment.
- Determine whether file uploads are enabled and reachable by untrusted users.
- Review application logs for unusual uploads or unexpected session activity.
- Check whether affected instances are internet-facing or VPN-only.
- Verify remediation against vendor or advisory guidance when available.
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-2022-42750 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
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:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://candidats.net/CVE reference
- https://fluidattacks.com/advisories/castles/CVE reference
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.