Security readout for executives and security teams
Plain-English summary
Cryptocat versions before 2.0.22 contain a cross-site scripting flaw in the presence-handling code. In business terms, an affected Cryptocat deployment could let untrusted data execute script in a user's session. The provided sources do not show active exploitation or a CVSS score.
Executive priority
Prioritize as a legacy exposure check rather than an emergency response item unless Cryptocat is still used. If present, remediate quickly because XSS can affect user trust and session integrity.
Technical view
CVE-2013-4107 is XSS in cryptocat.js handlePresence() affecting Cryptocat before 2.0.22. The bundle provides limited technical detail and no CVSS, CWE, proof of exploitation, or vendor remediation text beyond the affected-version boundary.
Likely exposure
Exposure is limited to environments that still have Cryptocat versions before 2.0.22 or retained copies of the affected cryptocat.js code. Modern exposure should be uncommon, but legacy systems, archived applications, or unmanaged endpoints may still matter.
Exploitation context
The supplied sources identify cross-site scripting but do not establish active exploitation. The CVE is not listed as KEV in the provided bundle, so treat exploitation status as unconfirmed.
Researcher notes
Public details in the bundle are sparse. The useful anchors are the affected version range, file name, and function name. Avoid assuming exploitability conditions, payload shape, or downstream impact without reviewing the original code and vendor history.
Mitigation direction
- Inventory for Cryptocat versions before 2.0.22.
- Remove obsolete Cryptocat installations where business use no longer exists.
- Upgrade affected Cryptocat installations to a non-affected version, after confirming vendor guidance.
- Review retained source bundles for cryptocat.js handlePresence() from affected releases.
Validation and detection
- Check asset records for any Cryptocat deployment or packaged copy.
- Verify installed Cryptocat versions are not before 2.0.22.
- Confirm cryptocat.js is not sourced from an affected release.
- Document any compensating controls if removal or upgrade is delayed.
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.
CVE-2013-4107 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://www.openwall.com/lists/oss-security/2013/07/10/15CVE reference · x_refsource_MISC
- https://tobtu.com/decryptocat.phpCVE reference · x_refsource_MISC
- https://vuldb.com/?id.9442CVE reference · x_refsource_MISC
- https://www.securityfocus.com/bid/61096CVE 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.