Security readout for executives and security teams
Plain-English summary
CVE-2022-42746 is a cross-site scripting flaw in CandidATS 3.0.0. An attacker could trick a user into interacting with malicious content and potentially steal that user’s session cookie. This is moderate business risk because user interaction is required, but session theft can still expose applicant or recruiting data.
Executive priority
Treat as a planned but prompt remediation item for any CandidATS 3.0.0 deployment. Escalate priority if the system is internet-facing, handles sensitive applicant data, or shares sessions with administrative functions.
Technical view
The CVE describes CWE-79 improper input validation in the indexFile parameter of the ajax.php resource in CandidATS 3.0.0. CVSS 3.1 is 6.1: network-reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is limited to organizations running CandidATS 3.0.0, especially internet-accessible recruiting portals or administrator interfaces. The provided CVE data does not identify other affected versions or deployment configurations.
Exploitation context
The source bundle does not show KEV listing or active exploitation evidence. Exploitation requires user interaction and appears aimed at stealing cookies through XSS. No public exploit steps are provided here.
Researcher notes
Evidence is sparse: the CVE record and advisory identify CandidATS 3.0.0, ajax.php, indexFile, XSS, and cookie theft impact. The bundle does not provide a fixed version, patch commit, exploit availability, or broader affected-version range.
Mitigation direction
- Identify whether any CandidATS deployment is version 3.0.0.
- Check official CandidATS and Fluid Attacks guidance for fixed release or patch instructions.
- Restrict CandidATS access to trusted networks until remediation is confirmed.
- Harden session cookies with HttpOnly, Secure, and SameSite where supported.
- Invalidate active sessions after remediation if cookie exposure is suspected.
Validation and detection
- Inventory public and internal CandidATS instances and record exact versions.
- Review ajax.php handling of indexFile for input validation and output encoding.
- Use safe non-production testing to confirm XSS is not reproducible after remediation.
- Check web logs for suspicious requests involving ajax.php and indexFile.
- Confirm cookie security attributes are enabled in the deployed application.
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-2022-42746 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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.
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:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://candidats.net/CVE reference
- https://fluidattacks.com/advisories/modestep/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.