CVE-2025-8555
CVE-2025-8555 — atjiu pybbs search cross site scripting
A vulnerability, which was classified as problematic, was found in atjiu pybbs up to 6.0.0. Affected is an unknown function of the file /search. The manipulation of the argument keyword leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 2fe4a51afbce0068c291bc1818bbc8f7f3b01a22. It is recommended to apply a patch to fix this issue.
Published Updated Sources: cvelistV5, VulDB
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Unreported
no source claims exploitation
EPSS
0%
chance of exploitation in 30 days
CVSS base
3.5
LOW
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
PoC
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (1)
Products (1)
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 3.5 | CVSS 3.1 | LOW | — | — | cvelistV5 |
Weakness & attack patterns
- CWE-79
- CWE-94
Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.
- T1027.006Obfuscated Files or Information: HTML Smuggling
- T1027.009Obfuscated Files or Information: Embedded Payloads
- T1564.009Hide Artifacts: Resource Forking
Detection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
- Search application, proxy, and WAF logs for requests touching /search.
References
7 on the record
- vuldb.com/?id.318684
vdb-entry, technical-description
- vuldb.com/?ctiid.318684
signature, permissions-required
- vuldb.com/?submit.622199
third-party-advisory
- github.com/atjiu/pybbs/issues/208
issue-tracking
- github.com/atjiu/pybbs/issues/208#issuecomment-3134772931
issue-tracking
- github.com/atjiu/pybbs/issues/208#issue-3256435530
exploit, issue-tracking
- github.com/atjiu/pybbs/commit/2fe4a51afbce0068c291bc1818bbc8f7f3b01a22
patch
Elsewhere on this site
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.