SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2003-1277

Cross-site scripting (XSS) vulnerabilities in Yet Another Bulletin Board (YaBB) 1.5.0 allow remote attackers to execute arbitrary script as other users and possibly steal authentication information via cookies by injecting arbitrary HTML or script into…

MEDIUM 4.3EPSS 1.30%

Does this matter?

Lower severity and a low EPSS score (1.30%). Track it; it rarely justifies an emergency change on its own.

Description

Cross-site scripting (XSS) vulnerabilities in Yet Another Bulletin Board (YaBB) 1.5.0 allow remote attackers to execute arbitrary script as other users and possibly steal authentication information via cookies by injecting arbitrary HTML or script into (1) news_icon of news_template.php, and (2) threadid and subject of index.html

CVSS 2.0
4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
1.30% probability · 70th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
yabb/yabb
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.30%26 October 202626 October 2026

EPSS 1.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.