Security readout for executives and security teams
Plain-English summary
A malicious link can cause attacker-controlled script to run in a visitor’s browser when using a vulnerable Open ISES Tickets deployment. The documented impact is limited to browser-side content and integrity effects, but it could still support convincing impersonation or unauthorized actions within the application context.
Executive priority
Schedule prompt remediation for internet-facing or broadly accessible deployments. This is not supported as an emergency, actively exploited issue, but user interaction and browser-session context make delayed patching an avoidable business risk.
Technical view
Open ISES Tickets before 3.44.2 reflects the opena.php frm_call GET parameter into page output without adequate sanitization, enabling reflected cross-site scripting. The supplied CVSS 4.0 score is 5.1. The bundle conflicts on privileges: its description says authenticated attackers, while the CVSS vector specifies no privileges required.
Likely exposure
Exposure is most likely where Open ISES Tickets before 3.44.2 is web-accessible and users can be induced to visit crafted links. Exploitation requires victim interaction. The source bundle does not establish whether authentication is required because its narrative and CVSS vector disagree.
Exploitation context
The source bundle reports no CISA KEV listing and provides no evidence of active exploitation. This is a reflected XSS issue requiring a victim to visit a malicious URL; no persistent server-side injection is described.
Researcher notes
CWE-79 applies. The CVSS vector indicates network reachability, low complexity, no privileges, active user interaction, and low subsequent-system confidentiality and integrity impact. Researchers should reconcile the authentication discrepancy against the vendor patch and application behavior without assuming either claim is definitive.
Mitigation direction
- Upgrade Open ISES Tickets to version 3.44.2 or later.
- Confirm the vendor patch commit is present if maintaining a customized deployment.
- Restrict unnecessary public access until affected instances are upgraded.
- Advise users to avoid unexpected Open ISES Tickets links during remediation.
Validation and detection
- Inventory Open ISES Tickets instances and record their deployed versions.
- Verify every instance runs version 3.44.2 or later.
- Confirm customized builds include the referenced sanitization patch.
- Review web logs for suspicious requests targeting opena.php and frm_call.
- Test safely that frm_call values are encoded in rendered output.
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-2026-35011 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-opena-php-frm-call-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.