Security readout for executives and security teams
Plain-English summary
Open ISES Tickets versions before 3.44.2 can return attacker-controlled search text without safely encoding it. If a user is induced to submit a crafted request, JavaScript may run in that user’s browser, potentially affecting information or actions available through their session.
Executive priority
Schedule near-term remediation and accelerate it for internet-accessible systems or deployments used by privileged staff. The moderate score and required user interaction reduce emergency urgency, but browser-session impact makes deferral inappropriate when the fixed release is available.
Technical view
CVE-2026-35016 is reflected cross-site scripting in search.php. The frm_query POST value is inserted unsanitized into an HTML input VALUE attribute. The supplied CVSS 4.0 score is 5.1, with network reachability, low complexity, active user interaction, and limited subsequent-system confidentiality and integrity impact.
Likely exposure
Deployments running Open ISES Tickets earlier than 3.44.2 are potentially exposed where users can access search.php. Public accessibility increases opportunities to reach users, but successful exploitation still requires victim interaction according to the supplied CVSS vector.
Exploitation context
The supplied record is not marked as CISA KEV, and no bundled source reports active exploitation. That does not establish that exploitation has never occurred. The issue requires a crafted request and user interaction rather than automatic compromise.
Researcher notes
The narrative describes authenticated attackers, while the supplied CVSS vector specifies PR:N; this inconsistency should be verified against the cited advisory and patch. The confirmed data flow is frm_query into an HTML input VALUE attribute. The bundle does not establish affected version boundaries more precisely than versions before 3.44.2.
Mitigation direction
- Upgrade affected Open ISES Tickets deployments to version 3.44.2, the cited fixed release.
- Consult vendor guidance if immediate upgrading is impossible; the supplied sources name no standalone workaround.
- Temporarily restrict access to the vulnerable search functionality where operationally feasible.
- Prioritize deployments accessible from untrusted networks or used by privileged personnel.
Validation and detection
- Inventory Open ISES Tickets deployments and identify versions earlier than 3.44.2.
- Confirm version 3.44.2 is installed using reliable deployment or build records.
- In authorized staging, verify submitted query text is safely encoded when returned in the input field.
- Review web logs for suspicious frm_query activity; absence of evidence does not prove non-exploitation.
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-2026-35016 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-search-php-frm-query-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.