Security readout for executives and security teams
Plain-English summary
CVE-2009-10001 is a cross-site scripting issue in jianlinwei cool-php-captcha 0.1 and 0.2. If the example form is exposed, an attacker may cause browser-side script execution through captcha input handling. Business urgency is moderate because scope appears limited, authentication is required, and no active exploitation is cited.
Executive priority
Prioritize remediation during the next routine security update cycle, faster if the example form is internet-facing. This is not a critical infrastructure risk from the supplied evidence, but public disclosure makes leaving exposed instances unnecessary risk.
Technical view
The vulnerability affects example-form.php in cool-php-captcha through improper neutralization of input in the captcha argument, mapped to CWE-79. CVSS v2 is 4.0 with network access, low complexity, single authentication, partial integrity impact, and no confidentiality or availability impact. Version 0.3 and commit c84fb6b153bebaf228feee0cbf50728d27ae3f80 address it.
Likely exposure
Exposure is most likely where cool-php-captcha 0.1 or 0.2 is deployed and example-form.php, or copied code from it, is reachable. The CVSS vector indicates authentication is required. Production exposure may be lower if the example file was never deployed.
Exploitation context
The exploit was publicly disclosed in the referenced GitHub issue, and VulDB says it may be used. The source bundle does not cite CISA KEV listing or confirmed active exploitation in the wild. Treat this as publicly known, not proven actively exploited.
Researcher notes
Evidence supports affected versions 0.1 and 0.2, fixed in 0.3. The vulnerable code path is described only as unknown code in example-form.php, so validate exposure directly in deployed artifacts. Do not assume other files are affected without additional vendor evidence.
Mitigation direction
- Upgrade cool-php-captcha to version 0.3 or later.
- Remove or restrict access to example-form.php if it is not needed.
- Backport the referenced patch only if upgrading is not feasible.
- Check project guidance for any additional fixes or hardening.
- Review dependent applications for copied vulnerable form logic.
Validation and detection
- Inventory applications for cool-php-captcha 0.1 or 0.2.
- Confirm whether example-form.php is deployed or reachable.
- Verify deployed code includes commit c84fb6b153bebaf228feee0cbf50728d27ae3f80.
- Run approved XSS regression tests for captcha form handling.
- Review logs for suspicious requests to example-form.php.
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-2009-10001 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.218296CVE reference · vdb-entry, technical-description
- https://vuldb.com/?ctiid.218296CVE reference · signature, permissions-required
- https://github.com/jianlinwei/cool-php-captcha/issues/2CVE reference · exploit, issue-tracking
- https://github.com/jianlinwei/cool-php-captcha/commit/c84fb6b153bebaf228feee0cbf50728d27ae3f80CVE reference · patch
- https://github.com/jianlinwei/cool-php-captcha/releases/tag/0.3CVE 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.
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.