Security readout for executives and security teams
Plain-English summary
CVE-2022-34879 is a reflected cross-site scripting issue in VICIdial. An authenticated attacker could cause script to run in another user's browser if that user interacts with a crafted request. Business risk is moderate because it affects a web administration/reporting workflow and could expose session data or enable unauthorized actions.
Executive priority
Treat as a scheduled remediation item unless the affected interface is broadly exposed or used by privileged staff, then prioritize sooner. The issue is medium severity but can affect trust in call-center administration workflows.
Technical view
The CVE describes CWE-79 reflected XSS in VICIdial 2.14b0.5 prior to SVN 3555, specifically the AST Agent Time Sheet interface at /vicidial/AST_agent_time_sheet.php through agent and search_archived_data parameters. CVSS 3.1 is 6.5 with network access, low complexity, low privileges, required user interaction, and changed scope.
Likely exposure
Organizations running VICIdial 2.14b0.5 builds before SVN 3555 are the stated exposure. Risk is higher where VICIdial administrative or reporting interfaces are reachable by many users or from untrusted networks.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires an authenticated attacker and user interaction, consistent with reflected XSS rather than direct unauthenticated compromise.
Researcher notes
There is a source inconsistency: the supplied title mentions /vicidial/admin.php, while the description names /vicidial/AST_agent_time_sheet.php and two parameters. Analysis follows the more specific description and records the inconsistency as unresolved.
Mitigation direction
- Upgrade VICIdial 2.14b0.5 deployments to SVN 3555 or later where applicable.
- Check VICIdial vendor guidance for the exact fixed build and deployment notes.
- Restrict access to VICIdial administrative and reporting interfaces to trusted users and networks.
- Review web session controls and limit privileged browsing exposure until patched.
Validation and detection
- Inventory VICIdial versions and confirm whether any build is before SVN 3555.
- Verify whether /vicidial/AST_agent_time_sheet.php is present and accessible to authenticated users.
- Run an authorized authenticated web application scan focused on the named parameters.
- Confirm output encoding prevents script execution using safe marker-based testing.
- Review logs for suspicious requests targeting agent or search_archived_data parameters.
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-2022-34879 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
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:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.vicidial.org/VICIDIALforum/viewtopic.php?f=4&t=41300&sid=aacb27a29fefd85265b4d55fe51122afCVE reference · x_refsource_CONFIRM
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.