Security readout for executives and security teams
Plain-English summary
CVE-2022-42748 is a cross-site scripting issue in CandidATS 3.0.0. An external attacker could trick a user into interacting with malicious input and potentially steal that user’s cookie. Business impact is mainly account/session compromise, not system outage.
Executive priority
Treat as a moderate-priority web application issue. Remediate within normal vulnerability SLAs, faster for internet-facing recruiting portals or high-value accounts. There is no provided evidence of active exploitation.
Technical view
The issue is CWE-79 in the ajax.php resource, specifically improper validation of the sortDirection parameter. The CVSS 3.1 score is 6.1: network reachable, low complexity, no privileges required, 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 if the application is reachable by external users. The source bundle does not establish impact for other CandidATS versions or forks.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The attack requires user interaction, so phishing or crafted links are plausible contexts, but exploit status is not confirmed by the provided sources.
Researcher notes
The available evidence supports reflected or stored XSS risk tied to sortDirection on ajax.php, with potential cookie theft. Patch status is not included in the bundle, so do not assume a specific fixed version without vendor confirmation.
Mitigation direction
- Identify and prioritize any CandidATS 3.0.0 deployments.
- Check CandidATS and Fluid Attacks guidance for vendor-confirmed fixes.
- Restrict external access if the instance is not public-facing.
- Harden session cookies with HttpOnly, Secure, and SameSite where supported.
- Validate and encode user-controlled sorting parameters in maintained code.
Validation and detection
- Confirm the running CandidATS version on all recruitment portals.
- Verify whether ajax.php is externally reachable.
- Review logs for unusual ajax.php requests involving sortDirection.
- Use safe XSS testing in staging to validate input handling.
- Check session cookie attributes for browser-side script protection.
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-2022-42748 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.