Directory traversal vulnerability in ModifyMessage.php in YaBB SE 1.5.4 through 1.5.5b allows remote attackers to delete arbitrary files via
Directory traversal vulnerability in ModifyMessage.php in YaBB SE 1.5.4 through 1.5.5b allows remote attackers to delete arbitrary files via a .. (dot dot) in the attachOld parameter.
- Published
- Nov 23, 2004
- Updated
- Jun 16, 2026
- EPSS
- 2.2% · 81th percentile
- CWE
- —
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 25 / 40 · 6.4 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| yabb | yabb | cpe:2.3:a:yabb:yabb |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- yabb yabb1.5.5
- yabb yabb1.5.5b
Same product
yabb: all recordsOther highest-scoring records for the same primary product.
- CVE-2007-3208CRLF injection vulnerability in Yet another Bulletin Board (YaBB) 2.1 allows remote attackers to obtain administrative access via requests t42Plan
- CVE-2004-2403Cross-site request forgery (CSRF) vulnerability in YaBB 1 GOLD SP 1.3.2 allows remote attackers to perform unauthorized actions as the admin41Plan
- CVE-2004-0343Multiple SQL injection vulnerabilities in YaBB SE 1.5.4 through 1.5.5b allow remote attackers to execute arbitrary SQL via (1) the msg param41Plan
- CVE-2013-2057YaBB through 2.5.2: 'guestlanguage' Cookie Parameter Local File Include Vulnerability40Plan
- CVE-2002-0955Cross-site scripting vulnerability in YaBB.cgi for Yet Another Bulletin Board (YaBB) 1 Gold SP1 and earlier allows remote attackers to execu33Monitor
- CVE-2000-1176Directory traversal vulnerability in YaBB search.pl CGI script allows remote attackers to read arbitrary files via a ..32Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | webapps | 2004-03-01 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-267 d
- Published
- TodaySep 30, 2026+7981 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- P · data or configuration can be modified
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.