CVE-2012-6330Foswiki Vulnerability
The localization functionality in TWiki before 5.1.3, and Foswiki 1.0.x through 1.0.10 and 1.1.x through 1.1.6, allows remote attackers to cause a denial of service (memory consumption) via a large integer in a %MAKETEXT% macro.
Published Jan 4, 2013 · Updated Apr 28, 2026
Key Facts
Routine patching- CVE-2012-6330 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Foswiki, Twiki.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 36% probability of exploitation in the next 30 days.
- Fixed versions are available, including Twiki 5.1.2.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
Scores
CVSS v2
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS (30-day exploit likelihood)
36%
Higher than 98.4% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
47/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
The localization functionality in TWiki before 5.1.3, and Foswiki 1.0.x through 1.0.10 and 1.1.x through 1.1.6, allows remote attackers to cause a denial of service (memory consumption) via a large integer in a %MAKETEXT% macro.
Affected Products
16 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FoswikiFoswiki | 1.0.0, 1.0.1, 1.0.10, 1.0.2, 1.0.3, 1.0.4, 1.1.0, 1.1.1 | n/a |
| TwikiTwiki | 5.1.0, 5.1.1 | 5.1.2 |
Patched Releases
Twiki
5.1.2
Timeline
Publicly disclosed
Jan 4, 2013
Last updated
Apr 28, 2026
Weakness Type
- CWE-189
FAQ
Common Questions.
The localization functionality in TWiki before 5.1.3, and Foswiki 1.0.x through 1.0.10 and 1.1.x through 1.1.6, allows remote attackers to cause a denial of service (memory consumption) via a large integer in a %MAKETEXT% macro.
Affected: Foswiki versions 1.0.0, 1.0.1, 1.0.10, 1.0.2, 1.0.3, 1.0.4, 1.1.0, 1.1.1; Twiki versions 5.1.0, 5.1.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Twiki 5.1.2.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
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