Security readout for executives and security teams
Plain-English summary
CVE-2018-1000526 is a reported OpenPSA RSS upload flaw where a specially crafted XML file can trigger a remote denial of service. The public record does not provide affected version ranges, CVSS scoring, or a named fixed release.
Executive priority
Treat as a targeted availability risk, not a confirmed mass-exploitation emergency. Prioritize systems where OpenPSA RSS upload is internet-facing or business-critical, then validate patch status because version details are incomplete.
Technical view
The CVE describes XML injection in OpenPSA's RSS file upload feature, resulting in remote denial of service. The record says the issue appears fixed after commit 4974a26. No CWE, CPE, CVSS vector, or exact patched version is provided in the supplied sources.
Likely exposure
Exposure is most likely where OpenPSA is deployed and the RSS file upload feature is enabled or reachable by untrusted users. Exact affected versions are not stated, so inventory and code or release validation are necessary.
Exploitation context
The CVE states exploitation is via a specially crafted XML file. The bundle does not show CISA KEV listing, active exploitation, weaponized public exploit evidence, or exploitation at scale.
Researcher notes
The supplied record is sparse: no CVSS, CWE, affected version range, CPE, or fixed release is listed. Analysis should stay tied to OpenPSA RSS upload, remote denial of service, crafted XML input, and the post-4974a26 fix reference.
Mitigation direction
- Identify OpenPSA deployments and whether RSS upload is enabled.
- Review vendor guidance and GitHub issue 192 for fix details.
- Upgrade to a release containing the fix after commit 4974a26.
- Restrict or disable RSS uploads if patching is delayed.
- Limit upload access to trusted authenticated users where operationally possible.
Validation and detection
- Confirm whether OpenPSA is present in the environment.
- Check deployed code or release history for commit 4974a26 or later fix inclusion.
- Verify RSS upload access controls and exposure to untrusted users.
- Review application logs for RSS upload errors or denial-of-service symptoms.
- Document findings where version evidence is inconclusive.
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.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-1000526 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://0dd.zone/2018/05/31/OpenPSA-Object-Injection/CVE reference · x_refsource_MISC
- https://github.com/flack/openpsa/issues/192CVE reference · x_refsource_MISC
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.