Security readout for executives and security teams
This CVE affects older Moodle sites using the PayPal enrolment callback. An unauthenticated person could make the PayPal IPN script send custom error messages to administrators before the request source was verified, potentially spamming admin inboxes. Exposure is most likely on internet-facing Moodle deployments in the listed version ranges with PayPal enrolment/IPN handling reachable. Unsupported older Moodle instances should be treated as exposed until reviewed. Handle during routine vulnerability maintenance unless admin email disruption is occurring. Prioritize unsupported Moodle systems because they may carry broader unresolved risk beyond this CVE. Mitigation focus: Check Moodle MDL-61392 and the Moodle advisory for vendor guidance.; Upgrade affected Moodle deployments according to Moodle's published security guidance.; Disable PayPal enrolment/IPN handling if it is not required..
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-2018-1081 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
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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://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-61392CVE reference · x_refsource_CONFIRM
- https://moodle.org/mod/forum/discuss.php?d=367938CVE 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.