Security readout for executives and security teams
Plain-English summary
Open ISES Tickets before 3.44.2 can execute attacker-supplied JavaScript when a user follows a crafted link. Successful abuse could let the attacker act within the user’s browser session or alter displayed information. User interaction is required, and the supplied sources do not establish active exploitation.
Executive priority
Schedule prompt remediation through the normal patch process. Accelerate deployment for internet-accessible systems or environments used by privileged support personnel. The moderate rating reflects required user interaction and browser-scoped impact, not an absence of business risk.
Technical view
CVE-2026-35009 is reflected cross-site scripting in add_note.php. The ticket_id GET parameter is inserted without adequate sanitization into a hidden input value attribute. A crafted URL can introduce browser-executed JavaScript when visited. The issue is classified as CWE-79 with CVSS 4.0 score 5.1.
Likely exposure
Deployments running Open ISES Tickets versions earlier than 3.44.2 are potentially exposed, particularly when users can reach add_note.php through untrusted links. The supplied affected-version metadata is imprecise, so confirm installed versions directly.
Exploitation context
Exploitation requires a victim to visit a crafted URL. The record is not listed as KEV, and the supplied sources provide no evidence of active exploitation. The description calls attackers authenticated, while the CVSS vector states PR:N; verify this discrepancy before relying on privilege assumptions.
Researcher notes
The patch reference provides the strongest basis for code-level verification. Assess contextual output encoding at the hidden input boundary and search for comparable parameter handling elsewhere. Evidence supplied here does not confirm exploitation in the wild. Affected-version metadata lists “0,” conflicting with the narrative boundary of versions before 3.44.2.
Mitigation direction
- Upgrade Open ISES Tickets to version 3.44.2 or later.
- Review the vendor release notes and patch commit before deployment.
- Restrict unnecessary access to the application until upgrading.
- Use existing web filtering controls to reduce exposure to suspicious crafted links.
Validation and detection
- Confirm the deployed Open ISES Tickets version is 3.44.2 or later.
- Verify the referenced patch is present in the deployed source.
- Review application logs for unusual add_note.php requests containing malformed ticket_id values.
- Test output encoding safely in a non-production environment without executing active payloads.
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-2026-35009 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
- 5.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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
2 official scoresWe 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:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N——VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N2.12.5VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base CVSS 3.1 score
4.6MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/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://github.com/openises/tickets/releases/tag/v3.44.2CVE reference, VulnCheck · release-notes
- https://github.com/openises/tickets/commit/ecfeb406a016766cae81c749e14b5145a9f2dbffCVE reference, VulnCheck · patch
- https://www.vulncheck.com/advisories/open-ises-tickets-reflected-xss-via-add-note-php-ticket-id-parameterCVE reference, VulnCheck · third-party-advisory
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.