Security readout for executives and security teams
Plain-English summary
CVE-2015-10127 is a cross-site scripting issue in the WordPress PlusCaptcha Plugin versions 2.0.0 through 2.0.6. A remote authenticated attacker could affect page integrity, but the supplied sources do not identify the exact vulnerable function or any active exploitation.
Executive priority
Handle in normal vulnerability remediation cadence, with faster action for public WordPress sites allowing broad user registration or contributor access. The issue affects integrity, not data theft or uptime according to the supplied CVSS vector.
Technical view
The vulnerability is CWE-79 cross-site scripting in PlusCaptcha Plugin up to 2.0.6 for WordPress. CVSS v2 is 4.0 with network access, low complexity, authentication required, partial integrity impact, and no confidentiality or availability impact. Version 2.0.14 addresses the issue via the cited patch commit.
Likely exposure
Exposure is limited to WordPress environments with PlusCaptcha Plugin versions 2.0.0 through 2.0.6 installed. The CVSS vector indicates authentication is required, reducing broad drive-by risk, but public WordPress sites may still be business-relevant if many users can log in.
Exploitation context
The supplied bundle says the attack may be launched remotely, but requires authentication. It does not name active exploitation, a public exploit, or CISA KEV listing. Treat exploitation status as unconfirmed, not active.
Researcher notes
Evidence is adequate for affected versions, CWE category, remote authenticated attack conditions, and fixed version. Technical detail is incomplete: VulDB reports unknown affected functionality, and the bundle does not provide payloads, exploit maturity, or detailed impact scenarios.
Mitigation direction
- Upgrade PlusCaptcha Plugin to version 2.0.14 or later.
- Prioritize externally reachable WordPress sites using affected plugin versions.
- If upgrade is blocked, check plugin maintainer guidance for supported alternatives.
- Document any temporary risk acceptance for sites left on vulnerable versions.
Validation and detection
- Inventory WordPress sites for PlusCaptcha Plugin installations.
- Confirm installed plugin versions are not 2.0.0 through 2.0.6.
- Verify upgraded sites report PlusCaptcha Plugin 2.0.14 or later.
- Confirm no internal advisory claims active exploitation without supporting evidence.
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-2015-10127 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
- 4 (2.0)
- Known Exploited
- No
- Published
Vector: AV:N/AC:L/Au:S/C:N/I:P/A: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.
CVSS vector scores
1 official scoreWe 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.
AV:N/AC:L/Au:S/C:N/I:P/A:N82.9Primary CVE scoreVulnerability scoring details
Base CVSS 2.0 score
4MediumVector: AV:N/AC:L/Au:S/C:N/I:P/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.248954CVE reference · vdb-entry
- https://vuldb.com/?ctiid.248954CVE reference · signature, permissions-required
- https://github.com/wp-plugins/pluscaptcha/commit/1274afc635170daafd38306487b6bb8a01f78ecdCVE reference · patch
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.
